655402125 has 32 divisors (see below), whose sum is σ = 1246392576. Its totient is φ = 299611200.

The previous prime is 655402079. The next prime is 655402133. The reversal of 655402125 is 521204556.

It is not a de Polignac number, because 655402125 - 2⁹ = 655401613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655402092 and 655402101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122214 + ... + 127463.

It is an arithmetic number, because the mean of its divisors is an integer number (38949768).

Almost surely, 2^655402125 is an apocalyptic number.

It is an amenable number.

655402125 is a deficient number, since it is larger than the sum of its proper divisors (590990451).

655402125 is a wasteful number, since it uses less digits than its factorization.

655402125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249702 (or 249692 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 655402125 is about 25600.8227406855. The cubic root of 655402125 is about 868.6322477258.

The spelling of 655402125 in words is "six hundred fifty-five million, four hundred two thousand, one hundred twenty-five".