620504525 has 12 divisors (see below), whose sum is σ = 794246784. Its totient is φ = 480390000.

The previous prime is 620504519. The next prime is 620504531. The reversal of 620504525 is 525405026.

It is an interprime number because it is at equal distance from previous prime (620504519) and next prime (620504531).

It is not a de Polignac number, because 620504525 - 2⁶ = 620504461 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399551 + ... + 401100.

It is an arithmetic number, because the mean of its divisors is an integer number (66187232).

Almost surely, 2^620504525 is an apocalyptic number.

It is an amenable number.

620504525 is a deficient number, since it is larger than the sum of its proper divisors (173742259).

620504525 is a wasteful number, since it uses less digits than its factorization.

620504525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800692 (or 800687 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 620504525 is about 24909.9282415667. The cubic root of 620504525 is about 852.9331310076.

The spelling of 620504525 in words is "six hundred twenty million, five hundred four thousand, five hundred twenty-five".