2525644629 has 6 divisors (see below), whose sum is σ = 3648153366. Its totient is φ = 1683763080.

The previous prime is 2525644613. The next prime is 2525644631. The reversal of 2525644629 is 9264465252.

2525644629 is a `hidden beast` number, since 2 + 525 + 64 + 4 + 62 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2462442129 + 63202500 = 49623^2 + 7950^2 .

It is not a de Polignac number, because 2525644629 - 2⁴ = 2525644613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525604629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140313582 + ... + 140313599.

It is an arithmetic number, because the mean of its divisors is an integer number (608025561).

Almost surely, 2^2525644629 is an apocalyptic number.

It is an amenable number.

2525644629 is a deficient number, since it is larger than the sum of its proper divisors (1122508737).

2525644629 is a wasteful number, since it uses less digits than its factorization.

2525644629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280627187 (or 280627184 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 2525644629 is about 50255.7919945552. The cubic root of 2525644629 is about 1361.8337124834.

The spelling of 2525644629 in words is "two billion, five hundred twenty-five million, six hundred forty-four thousand, six hundred twenty-nine".