613502413 has 2 divisors, whose sum is σ = 613502414. Its totient is φ = 613502412.

The previous prime is 613502363. The next prime is 613502423. The reversal of 613502413 is 314205316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487658889 + 125843524 = 22083^2 + 11218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613502413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613502423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306751206 + 306751207.

It is an arithmetic number, because the mean of its divisors is an integer number (306751207).

Almost surely, 2^613502413 is an apocalyptic number.

It is an amenable number.

613502413 is a deficient number, since it is larger than the sum of its proper divisors (1).

613502413 is an equidigital number, since it uses as much as digits as its factorization.

613502413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 613502413 is about 24768.9808631684. The cubic root of 613502413 is about 849.7126655100.

Adding to 613502413 its reverse (314205316), we get a palindrome (927707729).

The spelling of 613502413 in words is "six hundred thirteen million, five hundred two thousand, four hundred thirteen".