2526643265 has 8 divisors (see below), whose sum is σ = 3163796928. Its totient is φ = 1933431280.

The previous prime is 2526643261. The next prime is 2526643267. The reversal of 2526643265 is 5623466252.

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

It is not a de Polignac number, because 2526643265 - 2² = 2526643261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2526643261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10985291 + ... + 10985520.

It is an arithmetic number, because the mean of its divisors is an integer number (395474616).

Almost surely, 2^2526643265 is an apocalyptic number.

It is an amenable number.

2526643265 is a deficient number, since it is larger than the sum of its proper divisors (637153663).

2526643265 is a wasteful number, since it uses less digits than its factorization.

2526643265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21970839.

The product of its digits is 518400, while the sum is 41.

The square root of 2526643265 is about 50265.7265440379. The cubic root of 2526643265 is about 1362.0131778169.

The spelling of 2526643265 in words is "two billion, five hundred twenty-six million, six hundred forty-three thousand, two hundred sixty-five".