620215425 has 36 divisors (see below), whose sum is σ = 1124292624. Its totient is φ = 326786400.

The previous prime is 620215417. The next prime is 620215451. The reversal of 620215425 is 524512026.

620215425 is a `hidden beast` number, since 6 + 20 + 215 + 425 = 666.

It is not a de Polignac number, because 620215425 - 2³ = 620215417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2070 + ... + 35280.

Almost surely, 2^620215425 is an apocalyptic number.

It is an amenable number.

620215425 is a deficient number, since it is larger than the sum of its proper divisors (504077199).

620215425 is a wasteful number, since it uses less digits than its factorization.

620215425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33310 (or 33302 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 620215425 is about 24904.1246583774. The cubic root of 620215425 is about 852.8006467342.

The spelling of 620215425 in words is "six hundred twenty million, two hundred fifteen thousand, four hundred twenty-five".