613257628 has 12 divisors (see below), whose sum is σ = 1074422440. Its totient is φ = 306279792.

The previous prime is 613257607. The next prime is 613257629. The reversal of 613257628 is 826752316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613257629) 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 3 ways as a sum of consecutive naturals, for example, 83283 + ... + 90346.

Almost surely, 2^613257628 is an apocalyptic number.

It is an amenable number.

613257628 is a deficient number, since it is larger than the sum of its proper divisors (461164812).

613257628 is a wasteful number, since it uses less digits than its factorization.

613257628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174516 (or 174514 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 613257628 is about 24764.0390082070. The cubic root of 613257628 is about 849.5996398289.

The spelling of 613257628 in words is "six hundred thirteen million, two hundred fifty-seven thousand, six hundred twenty-eight".