620524 has 12 divisors (see below), whose sum is σ = 1106784. Its totient is φ = 304304.

The previous prime is 620519. The next prime is 620531. The reversal of 620524 is 425026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (92232).

2⁶²⁰⁵²⁴ is an apocalyptic number.

It is an amenable number.

620524 is a deficient number, since it is larger than the sum of its proper divisors (486260).

620524 is a wasteful number, since it uses less digits than its factorization.

620524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 620524 is about 787.7334574588. The cubic root of 620524 is about 85.2942054230.

The spelling of 620524 in words is "six hundred twenty thousand, five hundred twenty-four".