30538413 has 12 divisors (see below), whose sum is σ = 44567068. Its totient is φ = 20148480.

The previous prime is 30538397. The next prime is 30538423. The reversal of 30538413 is 31483503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15468489 + 15069924 = 3933^2 + 3882^2 .

It is not a de Polignac number, because 30538413 - 2⁴ = 30538397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30538423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16618 + ... + 18363.

Almost surely, 2^30538413 is an apocalyptic number.

It is an amenable number.

30538413 is a deficient number, since it is larger than the sum of its proper divisors (14028655).

30538413 is a wasteful number, since it uses less digits than its factorization.

30538413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35084 (or 35081 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30538413 is about 5526.1571638888. The cubic root of 30538413 is about 312.5711001953.

The spelling of 30538413 in words is "thirty million, five hundred thirty-eight thousand, four hundred thirteen".