34249561 has 2 divisors, whose sum is σ = 34249562. Its totient is φ = 34249560.

The previous prime is 34249519. The next prime is 34249573. The reversal of 34249561 is 16594243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 5035536 = 5405^2 + 2244^2 .

It is a cyclic number.

It is not a de Polignac number, because 34249561 - 2⁷ = 34249433 is a prime.

It is not a weakly prime, because it can be changed into another prime (34249591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17124780 + 17124781.

It is an arithmetic number, because the mean of its divisors is an integer number (17124781).

Almost surely, 2^34249561 is an apocalyptic number.

It is an amenable number.

34249561 is a deficient number, since it is larger than the sum of its proper divisors (1).

34249561 is an equidigital number, since it uses as much as digits as its factorization.

34249561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 34249561 is about 5852.3124489385. The cubic root of 34249561 is about 324.7518768894.

The spelling of 34249561 in words is "thirty-four million, two hundred forty-nine thousand, five hundred sixty-one".