1709545245 has 16 divisors (see below), whose sum is σ = 2896171200. Its totient is φ = 858124544.

The previous prime is 1709545231. The next prime is 1709545261. The reversal of 1709545245 is 5425459071.

It is a cyclic number.

It is not a de Polignac number, because 1709545245 - 2⁵ = 1709545213 is a prime.

It is a super-2 number, since 2×1709545245² = 5845089889404220050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1709545197 and 1709545206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351795 + ... + 3352304.

It is an arithmetic number, because the mean of its divisors is an integer number (181010700).

Almost surely, 2^1709545245 is an apocalyptic number.

1709545245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1709545245 is a deficient number, since it is larger than the sum of its proper divisors (1186625955).

1709545245 is a wasteful number, since it uses less digits than its factorization.

1709545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704124.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 1709545245 is about 41346.6473247832. The cubic root of 1709545245 is about 1195.7127672426.

The spelling of 1709545245 in words is "one billion, seven hundred nine million, five hundred forty-five thousand, two hundred forty-five".