2525504690 has 8 divisors (see below), whose sum is σ = 4545908460. Its totient is φ = 1010201872.

The previous prime is 2525504651. The next prime is 2525504699. The reversal of 2525504690 is 964055252.

It can be written as a sum of positive squares in 2 ways, for example, as 2518935721 + 6568969 = 50189^2 + 2563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2525504690² = 12756347878423992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2525504699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126275225 + ... + 126275244.

Almost surely, 2^2525504690 is an apocalyptic number.

2525504690 is a deficient number, since it is larger than the sum of its proper divisors (2020403770).

2525504690 is a wasteful number, since it uses less digits than its factorization.

2525504690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252550476.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2525504690 is about 50254.3997078863. The cubic root of 2525504690 is about 1361.8085602028.

The spelling of 2525504690 in words is "two billion, five hundred twenty-five million, five hundred four thousand, six hundred ninety".