620554125 has 32 divisors (see below), whose sum is σ = 1065931776. Its totient is φ = 320280000.

The previous prime is 620554087. The next prime is 620554133. The reversal of 620554125 is 521455026.

It is not a de Polignac number, because 620554125 - 2¹⁵ = 620521357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620554092 and 620554101.

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, 15066 + ... + 38315.

It is an arithmetic number, because the mean of its divisors is an integer number (33310368).

Almost surely, 2^620554125 is an apocalyptic number.

It is an amenable number.

620554125 is a deficient number, since it is larger than the sum of its proper divisors (445377651).

620554125 is a wasteful number, since it uses less digits than its factorization.

620554125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53430 (or 53420 counting only the distinct ones).

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

The square root of 620554125 is about 24910.9238086427. The cubic root of 620554125 is about 852.9558567919.

Subtracting from 620554125 its reverse (521455026), we obtain a palindrome (99099099).

The spelling of 620554125 in words is "six hundred twenty million, five hundred fifty-four thousand, one hundred twenty-five".