2170523265 has 16 divisors (see below), whose sum is σ = 3478356096. Its totient is φ = 1155772800.

The previous prime is 2170523239. The next prime is 2170523279. The reversal of 2170523265 is 5623250712.

It is not a de Polignac number, because 2170523265 - 2⁵ = 2170523233 is a prime.

It is a super-2 number, since 2×2170523265² = 9422342487812520450, which contains 22 as substring.

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, 105196 + ... + 124125.

It is an arithmetic number, because the mean of its divisors is an integer number (217397256).

Almost surely, 2^2170523265 is an apocalyptic number.

It is an amenable number.

2170523265 is a deficient number, since it is larger than the sum of its proper divisors (1307832831).

2170523265 is a wasteful number, since it uses less digits than its factorization.

2170523265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229960.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2170523265 is about 46588.8749059258. The cubic root of 2170523265 is about 1294.7566444422.

Adding to 2170523265 its reverse (5623250712), we get a palindrome (7793773977).

The spelling of 2170523265 in words is "two billion, one hundred seventy million, five hundred twenty-three thousand, two hundred sixty-five".