634275525 has 72 divisors (see below), whose sum is σ = 1200207904. Its totient is φ = 293760000.

The previous prime is 634275517. The next prime is 634275557. The reversal of 634275525 is 525572436.

It is a happy number.

634275525 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 634275525 - 2³ = 634275517 is a prime.

It is a super-2 number, since 2×634275525² = 804610883228051250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 280650 + ... + 282900.

Almost surely, 2^634275525 is an apocalyptic number.

634275525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

634275525 is a deficient number, since it is larger than the sum of its proper divisors (565932379).

634275525 is a wasteful number, since it uses less digits than its factorization.

634275525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2289 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 634275525 is about 25184.8272775495. The cubic root of 634275525 is about 859.1968005609.

The spelling of 634275525 in words is "six hundred thirty-four million, two hundred seventy-five thousand, five hundred twenty-five".