34474981 has 2 divisors, whose sum is σ = 34474982. Its totient is φ = 34474980.

The previous prime is 34474967. The next prime is 34474991. The reversal of 34474981 is 18947443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34409956 + 65025 = 5866^2 + 255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34474981 is a prime.

It is a super-2 number, since 2×34474981² = 2377048629900722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34474931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17237490 + 17237491.

It is an arithmetic number, because the mean of its divisors is an integer number (17237491).

Almost surely, 2^34474981 is an apocalyptic number.

It is an amenable number.

34474981 is a deficient number, since it is larger than the sum of its proper divisors (1).

34474981 is an equidigital number, since it uses as much as digits as its factorization.

34474981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 34474981 is about 5871.5399172619. The cubic root of 34474981 is about 325.4627915716.

The spelling of 34474981 in words is "thirty-four million, four hundred seventy-four thousand, nine hundred eighty-one".