34624621 has 2 divisors, whose sum is σ = 34624622. Its totient is φ = 34624620.

The previous prime is 34624561. The next prime is 34624627. The reversal of 34624621 is 12642643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17732521 + 16892100 = 4211^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 34624621 - 2²⁵ = 1070189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34624621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34624627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17312310 + 17312311.

It is an arithmetic number, because the mean of its divisors is an integer number (17312311).

Almost surely, 2^34624621 is an apocalyptic number.

It is an amenable number.

34624621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34624621 is an equidigital number, since it uses as much as digits as its factorization.

34624621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 34624621 is about 5884.2689435477. The cubic root of 34624621 is about 325.9330065456.

It can be divided in two parts, 34624 and 621, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 34624621 in words is "thirty-four million, six hundred twenty-four thousand, six hundred twenty-one".