613520628 has 48 divisors (see below), whose sum is σ = 1688838144. Its totient is φ = 169636320.

The previous prime is 613520623. The next prime is 613520629. The reversal of 613520628 is 826025316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613520623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115200 + ... + 120407.

It is an arithmetic number, because the mean of its divisors is an integer number (35184128).

Almost surely, 2^613520628 is an apocalyptic number.

It is an amenable number.

613520628 is an abundant number, since it is smaller than the sum of its proper divisors (1075317516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613520628 is a wasteful number, since it uses less digits than its factorization.

613520628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235652 (or 235650 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 613520628 is about 24769.3485582484. The cubic root of 613520628 is about 849.7210748021.

The spelling of 613520628 in words is "six hundred thirteen million, five hundred twenty thousand, six hundred twenty-eight".