34381961 has 2 divisors, whose sum is σ = 34381962. Its totient is φ = 34381960.

The previous prime is 34381951. The next prime is 34381967. The reversal of 34381961 is 16918343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32844361 + 1537600 = 5731^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 34381961 - 2²² = 30187657 is a prime.

It is not a weakly prime, because it can be changed into another prime (34381967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17190980 + 17190981.

It is an arithmetic number, because the mean of its divisors is an integer number (17190981).

Almost surely, 2^34381961 is an apocalyptic number.

It is an amenable number.

34381961 is a deficient number, since it is larger than the sum of its proper divisors (1).

34381961 is an equidigital number, since it uses as much as digits as its factorization.

34381961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 34381961 is about 5863.6133058039. The cubic root of 34381961 is about 325.1698079093.

The spelling of 34381961 in words is "thirty-four million, three hundred eighty-one thousand, nine hundred sixty-one".