2525002578 has 32 divisors (see below), whose sum is σ = 6412705920. Its totient is φ = 721429200.

The previous prime is 2525002547. The next prime is 2525002603. The reversal of 2525002578 is 8752005252.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339573 + ... + 3340328.

It is an arithmetic number, because the mean of its divisors is an integer number (200397060).

Almost surely, 2^2525002578 is an apocalyptic number.

2525002578 is an abundant number, since it is smaller than the sum of its proper divisors (3887703342).

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

2525002578 is a wasteful number, since it uses less digits than its factorization.

2525002578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679919 (or 6679913 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 2525002578 is about 50249.4037576567. The cubic root of 2525002578 is about 1361.7183042178.

The spelling of 2525002578 in words is "two billion, five hundred twenty-five million, two thousand, five hundred seventy-eight".