625320135 has 48 divisors (see below), whose sum is σ = 1221961440. Its totient is φ = 303177600.

The previous prime is 625320131. The next prime is 625320149. The reversal of 625320135 is 531023526.

625320135 is a `hidden beast` number, since 625 + 3 + 2 + 0 + 1 + 35 = 666.

It is not a de Polignac number, because 625320135 - 2² = 625320131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 625320099 and 625320108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625320131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2806 + ... + 35475.

It is an arithmetic number, because the mean of its divisors is an integer number (25457530).

Almost surely, 2^625320135 is an apocalyptic number.

625320135 is a deficient number, since it is larger than the sum of its proper divisors (596641305).

625320135 is a wasteful number, since it uses less digits than its factorization.

625320135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38317 (or 38300 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 625320135 is about 25006.4018803186. The cubic root of 625320135 is about 855.1339279277.

The spelling of 625320135 in words is "six hundred twenty-five million, three hundred twenty thousand, one hundred thirty-five".