2565002436 has 24 divisors (see below), whose sum is σ = 6011147520. Its totient is φ = 851266272.

The previous prime is 2565002399. The next prime is 2565002437. The reversal of 2565002436 is 6342005652.

It is a junction number, because it is equal to n+sod(n) for n = 2565002397 and 2565002406.

It is not an unprimeable number, because it can be changed into a prime (2565002437) 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, 463956 + ... + 469451.

It is an arithmetic number, because the mean of its divisors is an integer number (250464480).

Almost surely, 2^2565002436 is an apocalyptic number.

It is an amenable number.

2565002436 is an abundant number, since it is smaller than the sum of its proper divisors (3446145084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565002436 is a wasteful number, since it uses less digits than its factorization.

2565002436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933643 (or 933641 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2565002436 is about 50645.8530977611. The cubic root of 2565002436 is about 1368.8712239583.

The spelling of 2565002436 in words is "two billion, five hundred sixty-five million, two thousand, four hundred thirty-six".