2525277639 has 16 divisors (see below), whose sum is σ = 3569592320. Its totient is φ = 1585176480.

The previous prime is 2525277619. The next prime is 2525277653. The reversal of 2525277639 is 9367725252.

2525277639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2525277639 - 2⁵ = 2525277607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525277619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363499 + ... + 370380.

It is an arithmetic number, because the mean of its divisors is an integer number (223099520).

Almost surely, 2^2525277639 is an apocalyptic number.

2525277639 is a deficient number, since it is larger than the sum of its proper divisors (1044314681).

2525277639 is a wasteful number, since it uses less digits than its factorization.

2525277639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733950.

The product of its digits is 1587600, while the sum is 48.

The square root of 2525277639 is about 50252.1406409717. The cubic root of 2525277639 is about 1361.7677486555.

The spelling of 2525277639 in words is "two billion, five hundred twenty-five million, two hundred seventy-seven thousand, six hundred thirty-nine".