2525252538 has 16 divisors (see below), whose sum is σ = 5114436480. Its totient is φ = 831095616.

The previous prime is 2525252503. The next prime is 2525252567. The reversal of 2525252538 is 8352525252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2525252496 and 2525252505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2663295 + ... + 2664242.

It is an arithmetic number, because the mean of its divisors is an integer number (319652280).

Almost surely, 2^2525252538 is an apocalyptic number.

2525252538 is an abundant number, since it is smaller than the sum of its proper divisors (2589183942).

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

2525252538 is a wasteful number, since it uses less digits than its factorization.

2525252538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327621.

The product of its digits is 240000, while the sum is 39.

The square root of 2525252538 is about 50251.8908897964. The cubic root of 2525252538 is about 1361.7632366968.

The spelling of 2525252538 in words is "two billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred thirty-eight".