620553452 has 24 divisors (see below), whose sum is σ = 1146163200. Its totient is φ = 293165136.

The previous prime is 620553421. The next prime is 620553457. The reversal of 620553452 is 254355026.

It is not an unprimeable number, because it can be changed into a prime (620553457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18449 + ... + 39767.

It is an arithmetic number, because the mean of its divisors is an integer number (47756800).

Almost surely, 2^620553452 is an apocalyptic number.

It is an amenable number.

620553452 is a deficient number, since it is larger than the sum of its proper divisors (525609748).

620553452 is a wasteful number, since it uses less digits than its factorization.

620553452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21725 (or 21723 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 620553452 is about 24910.9103005089. The cubic root of 620553452 is about 852.9555484441.

The spelling of 620553452 in words is "six hundred twenty million, five hundred fifty-three thousand, four hundred fifty-two".