620554113 has 48 divisors (see below), whose sum is σ = 948330240. Its totient is φ = 390604032.

The previous prime is 620554087. The next prime is 620554133. The reversal of 620554113 is 311455026.

It is not a de Polignac number, because 620554113 - 2⁶ = 620554049 is a prime.

It is a super-2 number, since 2×620554113² = 770174814322433538, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (620554133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1982445 + ... + 1982757.

It is an arithmetic number, because the mean of its divisors is an integer number (19756880).

Almost surely, 2^620554113 is an apocalyptic number.

It is an amenable number.

620554113 is a deficient number, since it is larger than the sum of its proper divisors (327776127).

620554113 is a wasteful number, since it uses less digits than its factorization.

620554113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 620554113 is about 24910.9235677845. The cubic root of 620554113 is about 852.9558512939.

The spelling of 620554113 in words is "six hundred twenty million, five hundred fifty-four thousand, one hundred thirteen".