620958225 has 24 divisors (see below), whose sum is σ = 1028907360. Its totient is φ = 330449920.

The previous prime is 620958199. The next prime is 620958253. The reversal of 620958225 is 522859026.

It is not a de Polignac number, because 620958225 - 2¹⁶ = 620892689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26161 + ... + 43889.

It is an arithmetic number, because the mean of its divisors is an integer number (42871140).

Almost surely, 2^620958225 is an apocalyptic number.

It is an amenable number.

620958225 is a deficient number, since it is larger than the sum of its proper divisors (407949135).

620958225 is a wasteful number, since it uses less digits than its factorization.

620958225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18209 (or 18204 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 620958225 is about 24919.0333881553. The cubic root of 620958225 is about 853.1409626822.

The spelling of 620958225 in words is "six hundred twenty million, nine hundred fifty-eight thousand, two hundred twenty-five".