34621913 has 2 divisors, whose sum is σ = 34621914. Its totient is φ = 34621912.

The previous prime is 34621903. The next prime is 34621927. The reversal of 34621913 is 31912643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27583504 + 7038409 = 5252^2 + 2653^2 .

It is a cyclic number.

It is not a de Polignac number, because 34621913 - 2¹⁰ = 34620889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34621903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17310956 + 17310957.

It is an arithmetic number, because the mean of its divisors is an integer number (17310957).

Almost surely, 2^34621913 is an apocalyptic number.

It is an amenable number.

34621913 is a deficient number, since it is larger than the sum of its proper divisors (1).

34621913 is an equidigital number, since it uses as much as digits as its factorization.

34621913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 34621913 is about 5884.0388339983. The cubic root of 34621913 is about 325.9245092242.

The spelling of 34621913 in words is "thirty-four million, six hundred twenty-one thousand, nine hundred thirteen".