2525649100 has 72 divisors (see below), whose sum is σ = 6212953040. Its totient is φ = 883457280.

The previous prime is 2525649083. The next prime is 2525649131. The reversal of 2525649100 is 19465252.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26427 + ... + 75826.

Almost surely, 2^2525649100 is an apocalyptic number.

2525649100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525649100 is an abundant number, since it is smaller than the sum of its proper divisors (3687303940).

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

2525649100 is a wasteful number, since it uses less digits than its factorization.

2525649100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102299 (or 102292 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2525649100 is about 50255.8364769705. The cubic root of 2525649100 is about 1361.8345160743.

The spelling of 2525649100 in words is "two billion, five hundred twenty-five million, six hundred forty-nine thousand, one hundred".