2565022562 has 4 divisors (see below), whose sum is σ = 3847533846. Its totient is φ = 1282511280.

The previous prime is 2565022561. The next prime is 2565022567. The reversal of 2565022562 is 2652205652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1786668361 + 778354201 = 42269^2 + 27899^2 .

It is not an unprimeable number, because it can be changed into a prime (2565022561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641255639 + ... + 641255642.

Almost surely, 2^2565022562 is an apocalyptic number.

2565022562 is a deficient number, since it is larger than the sum of its proper divisors (1282511284).

2565022562 is a wasteful number, since it uses less digits than its factorization.

2565022562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282511283.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2565022562 is about 50646.0517908356. The cubic root of 2565022562 is about 1368.8748041797.

The spelling of 2565022562 in words is "two billion, five hundred sixty-five million, twenty-two thousand, five hundred sixty-two".