2545564602 has 24 divisors (see below), whose sum is σ = 5922334656. Its totient is φ = 727304088.

The previous prime is 2545564579. The next prime is 2545564627. The reversal of 2545564602 is 2064655452.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4328898 + ... + 4329485.

It is an arithmetic number, because the mean of its divisors is an integer number (246763944).

Almost surely, 2^2545564602 is an apocalyptic number.

2545564602 is an abundant number, since it is smaller than the sum of its proper divisors (3376770054).

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

2545564602 is a wasteful number, since it uses less digits than its factorization.

2545564602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658402 (or 8658395 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 2545564602 is about 50453.5885938751. The cubic root of 2545564602 is about 1365.4046400631.

The spelling of 2545564602 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, six hundred two".