620452925 has 6 divisors (see below), whose sum is σ = 769361658. Its totient is φ = 496362320.

The previous prime is 620452913. The next prime is 620452949. The reversal of 620452925 is 529254026.

It can be written as a sum of positive squares in 3 ways, for example, as 25775929 + 594676996 = 5077^2 + 24386^2 .

It is not a de Polignac number, because 620452925 - 2¹⁰ = 620451901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12409034 + ... + 12409083.

It is an arithmetic number, because the mean of its divisors is an integer number (128226943).

Almost surely, 2^620452925 is an apocalyptic number.

It is an amenable number.

620452925 is a deficient number, since it is larger than the sum of its proper divisors (148908733).

620452925 is a wasteful number, since it uses less digits than its factorization.

620452925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24818127 (or 24818122 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 620452925 is about 24908.8924884267. The cubic root of 620452925 is about 852.9094875756.

The spelling of 620452925 in words is "six hundred twenty million, four hundred fifty-two thousand, nine hundred twenty-five".