625963135 has 16 divisors (see below), whose sum is σ = 859484736. Its totient is φ = 428721408.

The previous prime is 625963133. The next prime is 625963139. The reversal of 625963135 is 531369526.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 625963135 - 2¹ = 625963133 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 (625963133) 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, 20499 + ... + 40891.

It is an arithmetic number, because the mean of its divisors is an integer number (53717796).

Almost surely, 2^625963135 is an apocalyptic number.

625963135 is a deficient number, since it is larger than the sum of its proper divisors (233521601).

625963135 is a wasteful number, since it uses less digits than its factorization.

625963135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21282.

The product of its digits is 145800, while the sum is 40.

The square root of 625963135 is about 25019.2552846802. The cubic root of 625963135 is about 855.4269313173.

The spelling of 625963135 in words is "six hundred twenty-five million, nine hundred sixty-three thousand, one hundred thirty-five".