2525409648 has 60 divisors (see below), whose sum is σ = 7072311480. Its totient is φ = 841246848.

The previous prime is 2525409629. The next prime is 2525409673. The reversal of 2525409648 is 8469045252.

It is a super-2 number, since 2×2525409648² = 12755387780422967808, which contains 22 as substring.

It is a congruent number.

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, 252715 + ... + 262517.

It is an arithmetic number, because the mean of its divisors is an integer number (117871858).

Almost surely, 2^2525409648 is an apocalyptic number.

It is an amenable number.

2525409648 is an abundant number, since it is smaller than the sum of its proper divisors (4546901832).

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

2525409648 is a wasteful number, since it uses less digits than its factorization.

2525409648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606 (or 11597 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2525409648 is about 50253.4540902414. The cubic root of 2525409648 is about 1361.7914770651.

The spelling of 2525409648 in words is "two billion, five hundred twenty-five million, four hundred nine thousand, six hundred forty-eight".