2575525408 has 24 divisors (see below), whose sum is σ = 5153693580. Its totient is φ = 1266650880.

The previous prime is 2575525397. The next prime is 2575525457. The reversal of 2575525408 is 8045255752.

It can be written as a sum of positive squares in 2 ways, for example, as 2386517904 + 189007504 = 48852^2 + 13748^2 .

It is a super-2 number, since 2×2575525408² = 13266662254507132928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657763 + ... + 661666.

Almost surely, 2^2575525408 is an apocalyptic number.

It is an amenable number.

2575525408 is an abundant number, since it is smaller than the sum of its proper divisors (2578168172).

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

2575525408 is a wasteful number, since it uses less digits than its factorization.

2575525408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319500 (or 1319492 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 43.

The square root of 2575525408 is about 50749.6345602606. The cubic root of 2575525408 is about 1370.7406100920.

The spelling of 2575525408 in words is "two billion, five hundred seventy-five million, five hundred twenty-five thousand, four hundred eight".