2565002451 has 16 divisors (see below), whose sum is σ = 3927277440. Its totient is φ = 1472728320.

The previous prime is 2565002437. The next prime is 2565002471. The reversal of 2565002451 is 1542005652.

2565002451 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2565002451 - 2¹⁰ = 2565001427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2565002471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2044830 + ... + 2046083.

It is an arithmetic number, because the mean of its divisors is an integer number (245454840).

Almost surely, 2^2565002451 is an apocalyptic number.

2565002451 is a deficient number, since it is larger than the sum of its proper divisors (1362274989).

2565002451 is a wasteful number, since it uses less digits than its factorization.

2565002451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090946.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2565002451 is about 50645.8532458483. The cubic root of 2565002451 is about 1368.8712266266.

The spelling of 2565002451 in words is "two billion, five hundred sixty-five million, two thousand, four hundred fifty-one".