613860623 has 2 divisors, whose sum is σ = 613860624. Its totient is φ = 613860622.

The previous prime is 613860601. The next prime is 613860649. The reversal of 613860623 is 326068316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613860623 - 2¹² = 613856527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613866623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306930311 + 306930312.

It is an arithmetic number, because the mean of its divisors is an integer number (306930312).

Almost surely, 2^613860623 is an apocalyptic number.

613860623 is a deficient number, since it is larger than the sum of its proper divisors (1).

613860623 is an equidigital number, since it uses as much as digits as its factorization.

613860623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 613860623 is about 24776.2108281311. The cubic root of 613860623 is about 849.8780092518.

The spelling of 613860623 in words is "six hundred thirteen million, eight hundred sixty thousand, six hundred twenty-three".