2525633906 has 4 divisors (see below), whose sum is σ = 3788450862. Its totient is φ = 1262816952.

The previous prime is 2525633899. The next prime is 2525633941. The reversal of 2525633906 is 6093365252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2498500225 + 27133681 = 49985^2 + 5209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631408475 + ... + 631408478.

Almost surely, 2^2525633906 is an apocalyptic number.

2525633906 is a deficient number, since it is larger than the sum of its proper divisors (1262816956).

2525633906 is a wasteful number, since it uses less digits than its factorization.

2525633906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262816955.

The product of its (nonzero) digits is 291600, while the sum is 41.

The square root of 2525633906 is about 50255.6853102214. The cubic root of 2525633906 is about 1361.8317851915.

The spelling of 2525633906 in words is "two billion, five hundred twenty-five million, six hundred thirty-three thousand, nine hundred six".