625135563 has 30 divisors (see below), whose sum is σ = 1011226524. Its totient is φ = 384690384.

The previous prime is 625135547. The next prime is 625135597. The reversal of 625135563 is 365531526.

625135563 is a `hidden beast` number, since 62 + 5 + 1 + 35 + 563 = 666.

It is not a de Polignac number, because 625135563 - 2⁴ = 625135547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625133563) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9145 + ... + 36522.

Almost surely, 2^625135563 is an apocalyptic number.

625135563 is a deficient number, since it is larger than the sum of its proper divisors (386090961).

625135563 is a wasteful number, since it uses less digits than its factorization.

625135563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45705 (or 45683 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 625135563 is about 25002.7111129973. The cubic root of 625135563 is about 855.0497847281.

It can be divided in two parts, 6251 and 35563, that added together give a palindrome (41814).

The spelling of 625135563 in words is "six hundred twenty-five million, one hundred thirty-five thousand, five hundred sixty-three".