34258921 has 4 divisors (see below), whose sum is σ = 34319700. Its totient is φ = 34198144.

The previous prime is 34258901. The next prime is 34258943. The reversal of 34258921 is 12985243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1597696 + 32661225 = 1264^2 + 5715^2 .

It is a cyclic number.

It is not a de Polignac number, because 34258921 - 2⁷ = 34258793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34258901) 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, 29536 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (8579925).

Almost surely, 2^34258921 is an apocalyptic number.

It is an amenable number.

34258921 is a deficient number, since it is larger than the sum of its proper divisors (60779).

34258921 is an equidigital number, since it uses as much as digits as its factorization.

34258921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60778.

The product of its digits is 17280, while the sum is 34.

The square root of 34258921 is about 5853.1120782025. The cubic root of 34258921 is about 324.7814578107.

The spelling of 34258921 in words is "thirty-four million, two hundred fifty-eight thousand, nine hundred twenty-one".