2525930639 has 8 divisors (see below), whose sum is σ = 2627047632. Its totient is φ = 2426739840.

The previous prime is 2525930629. The next prime is 2525930647. The reversal of 2525930639 is 9360395252.

2525930639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2525930639 - 2²⁸ = 2257495183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525930639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525930629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478874 + ... + 484119.

It is an arithmetic number, because the mean of its divisors is an integer number (328380954).

Almost surely, 2^2525930639 is an apocalyptic number.

2525930639 is a deficient number, since it is larger than the sum of its proper divisors (101116993).

2525930639 is an equidigital number, since it uses as much as digits as its factorization.

2525930639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963097.

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 2525930639 is about 50258.6374566601. The cubic root of 2525930639 is about 1361.8851163051.

The spelling of 2525930639 in words is "two billion, five hundred twenty-five million, nine hundred thirty thousand, six hundred thirty-nine".