1677252645 has 48 divisors (see below), whose sum is σ = 3110515200. Its totient is φ = 833535360.

The previous prime is 1677252637. The next prime is 1677252653. The reversal of 1677252645 is 5462527761.

1677252645 is a `hidden beast` number, since 16 + 7 + 72 + 526 + 45 = 666.

1677252645 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1677252637) and next prime (1677252653).

It is not a de Polignac number, because 1677252645 - 2³ = 1677252637 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1677252645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36076 + ... + 68234.

It is an arithmetic number, because the mean of its divisors is an integer number (64802400).

Almost surely, 2^1677252645 is an apocalyptic number.

1677252645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1677252645 is a deficient number, since it is larger than the sum of its proper divisors (1433262555).

1677252645 is a wasteful number, since it uses less digits than its factorization.

1677252645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32250 (or 32247 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 1677252645 is about 40954.2750515743. The cubic root of 1677252645 is about 1188.1360185893.

The spelling of 1677252645 in words is "one billion, six hundred seventy-seven million, two hundred fifty-two thousand, six hundred forty-five".