613631013 has 16 divisors (see below), whose sum is σ = 836832000. Its totient is φ = 399784896.

The previous prime is 613630951. The next prime is 613631017. The reversal of 613631013 is 310136316.

It is not a de Polignac number, because 613631013 - 2⁶ = 613630949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613631017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103863 + ... + 109611.

It is an arithmetic number, because the mean of its divisors is an integer number (52302000).

Almost surely, 2^613631013 is an apocalyptic number.

It is an amenable number.

613631013 is a deficient number, since it is larger than the sum of its proper divisors (223200987).

613631013 is a wasteful number, since it uses less digits than its factorization.

613631013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 613631013 is about 24771.5767160671. The cubic root of 613631013 is about 849.7720325216.

Adding to 613631013 its reverse (310136316), we get a palindrome (923767329).

The spelling of 613631013 in words is "six hundred thirteen million, six hundred thirty-one thousand, thirteen".