34313257 has 4 divisors (see below), whose sum is σ = 37432656. Its totient is φ = 31193860.

The previous prime is 34313239. The next prime is 34313261. The reversal of 34313257 is 75231343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75231343 = 11 ⋅6839213.

It is a cyclic number.

It is not a de Polignac number, because 34313257 - 2⁷ = 34313129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34313267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559683 + ... + 1559704.

It is an arithmetic number, because the mean of its divisors is an integer number (9358164).

Almost surely, 2^34313257 is an apocalyptic number.

It is an amenable number.

34313257 is a deficient number, since it is larger than the sum of its proper divisors (3119399).

34313257 is a wasteful number, since it uses less digits than its factorization.

34313257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119398.

The product of its digits is 7560, while the sum is 28.

The square root of 34313257 is about 5857.7518725190. The cubic root of 34313257 is about 324.9530725143.

The spelling of 34313257 in words is "thirty-four million, three hundred thirteen thousand, two hundred fifty-seven".