1052645 has 8 divisors (see below), whose sum is σ = 1378080. Its totient is φ = 765520.

The previous prime is 1052629. The next prime is 1052663. The reversal of 1052645 is 5462501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1052645 - 2⁴ = 1052629 is a prime.

It is a super-2 number, since 2×1052645² = 2216122992050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9515 + ... + 9624.

It is an arithmetic number, because the mean of its divisors is an integer number (172260).

2^1052645 is an apocalyptic number.

It is an amenable number.

1052645 is a deficient number, since it is larger than the sum of its proper divisors (325435).

1052645 is a wasteful number, since it uses less digits than its factorization.

1052645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19155.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1052645 is about 1025.9848926763. The cubic root of 1052645 is about 101.7249091463.

The spelling of 1052645 in words is "one million, fifty-two thousand, six hundred forty-five".