34991413 has 2 divisors, whose sum is σ = 34991414. Its totient is φ = 34991412.

The previous prime is 34991399. The next prime is 34991419. The reversal of 34991413 is 31419943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 9012004 = 5097^2 + 3002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34991413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34991419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17495706 + 17495707.

It is an arithmetic number, because the mean of its divisors is an integer number (17495707).

Almost surely, 2^34991413 is an apocalyptic number.

It is an amenable number.

34991413 is a deficient number, since it is larger than the sum of its proper divisors (1).

34991413 is an equidigital number, since it uses as much as digits as its factorization.

34991413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 34991413 is about 5915.3540046222. The cubic root of 34991413 is about 327.0798777390.

The spelling of 34991413 in words is "thirty-four million, nine hundred ninety-one thousand, four hundred thirteen".