2565002397 has 8 divisors (see below), whose sum is σ = 3420313344. Its totient is φ = 1709846528.

The previous prime is 2565002329. The next prime is 2565002399. The reversal of 2565002397 is 7932005652.

2565002397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2565002397 - 2¹⁵ = 2564969629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565002399) 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, 7828 + ... + 72050.

It is an arithmetic number, because the mean of its divisors is an integer number (427539168).

Almost surely, 2^2565002397 is an apocalyptic number.

It is an amenable number.

2565002397 is a deficient number, since it is larger than the sum of its proper divisors (855310947).

2565002397 is a wasteful number, since it uses less digits than its factorization.

2565002397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77539.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 2565002397 is about 50645.8527127345. The cubic root of 2565002397 is about 1368.8712170205.

The spelling of 2565002397 in words is "two billion, five hundred sixty-five million, two thousand, three hundred ninety-seven".