620453313 has 36 divisors (see below), whose sum is σ = 966625920. Its totient is φ = 382765680.

The previous prime is 620453297. The next prime is 620453363. The reversal of 620453313 is 313354026.

It is a happy number.

620453313 is a `hidden beast` number, since 620 + 4 + 5 + 3 + 31 + 3 = 666.

It is not a de Polignac number, because 620453313 - 2⁴ = 620453297 is a prime.

It is a super-2 number, since 2×620453313² = 769924627225351938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620453363) 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 35 ways as a sum of consecutive naturals, for example, 197368 + ... + 200486.

It is an arithmetic number, because the mean of its divisors is an integer number (26850720).

Almost surely, 2^620453313 is an apocalyptic number.

It is an amenable number.

620453313 is a deficient number, since it is larger than the sum of its proper divisors (346172607).

620453313 is a wasteful number, since it uses less digits than its factorization.

620453313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 620453313 is about 24908.9002768087. The cubic root of 620453313 is about 852.9096653644.

The spelling of 620453313 in words is "six hundred twenty million, four hundred fifty-three thousand, three hundred thirteen".