69601613 has 2 divisors, whose sum is σ = 69601614. Its totient is φ = 69601612.

The previous prime is 69601591. The next prime is 69601627. The reversal of 69601613 is 31610696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66227044 + 3374569 = 8138^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 69601613 - 2²⁴ = 52824397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69601613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69601633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34800806 + 34800807.

It is an arithmetic number, because the mean of its divisors is an integer number (34800807).

Almost surely, 2^69601613 is an apocalyptic number.

It is an amenable number.

69601613 is a deficient number, since it is larger than the sum of its proper divisors (1).

69601613 is an equidigital number, since it uses as much as digits as its factorization.

69601613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 69601613 is about 8342.7581170738. The cubic root of 69601613 is about 411.3452008732.

The spelling of 69601613 in words is "sixty-nine million, six hundred one thousand, six hundred thirteen".