2637428225 has 12 divisors (see below), whose sum is σ = 3307159980. Its totient is φ = 2086233600.

The previous prime is 2637428203. The next prime is 2637428257. The reversal of 2637428225 is 5228247362.

2637428225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 67749361 + 2569678864 = 8231^2 + 50692^2 .

It is not a de Polignac number, because 2637428225 - 2²⁰ = 2636379649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590456 + ... + 594905.

It is an arithmetic number, because the mean of its divisors is an integer number (275596665).

Almost surely, 2^2637428225 is an apocalyptic number.

2637428225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2637428225 is a deficient number, since it is larger than the sum of its proper divisors (669731755).

2637428225 is a wasteful number, since it uses less digits than its factorization.

2637428225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185460 (or 1185455 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 2637428225 is about 51355.8976652147. The cubic root of 2637428225 is about 1381.6357109580.

The spelling of 2637428225 in words is "two billion, six hundred thirty-seven million, four hundred twenty-eight thousand, two hundred twenty-five".