614994613 has 2 divisors, whose sum is σ = 614994614. Its totient is φ = 614994612.

The previous prime is 614994571. The next prime is 614994637. The reversal of 614994613 is 316499416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363359844 + 251634769 = 19062^2 + 15863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614994613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 614994613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614994673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307497306 + 307497307.

It is an arithmetic number, because the mean of its divisors is an integer number (307497307).

Almost surely, 2^614994613 is an apocalyptic number.

It is an amenable number.

614994613 is a deficient number, since it is larger than the sum of its proper divisors (1).

614994613 is an equidigital number, since it uses as much as digits as its factorization.

614994613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 614994613 is about 24799.0849226337. The cubic root of 614994613 is about 850.4010163135.

The spelling of 614994613 in words is "six hundred fourteen million, nine hundred ninety-four thousand, six hundred thirteen".