2525297800 has 24 divisors (see below), whose sum is σ = 5871317850. Its totient is φ = 1010119040.

The previous prime is 2525297791. The next prime is 2525297813. The reversal of 2525297800 is 87925252.

It can be written as a sum of positive squares in 3 ways, for example, as 2371884804 + 153412996 = 48702^2 + 12386^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6313045 + ... + 6313444.

Almost surely, 2^2525297800 is an apocalyptic number.

2525297800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525297800 is an abundant number, since it is smaller than the sum of its proper divisors (3346020050).

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

2525297800 is a wasteful number, since it uses less digits than its factorization.

2525297800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626505 (or 12626496 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 2525297800 is about 50252.3412389910. The cubic root of 2525297800 is about 1361.7713726170.

The spelling of 2525297800 in words is "two billion, five hundred twenty-five million, two hundred ninety-seven thousand, eight hundred".