30415161 has 16 divisors (see below), whose sum is σ = 46531584. Its totient is φ = 17310864.

The previous prime is 30415141. The next prime is 30415169. The reversal of 30415161 is 16151403.

It is not a de Polignac number, because 30415161 - 2¹³ = 30406969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30415169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770 + ... + 8276.

It is an arithmetic number, because the mean of its divisors is an integer number (2908224).

Almost surely, 2^30415161 is an apocalyptic number.

It is an amenable number.

30415161 is a deficient number, since it is larger than the sum of its proper divisors (16116423).

30415161 is a wasteful number, since it uses less digits than its factorization.

30415161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 30415161 is about 5514.9941976397. The cubic root of 30415161 is about 312.1500244143.

Adding to 30415161 its reverse (16151403), we get a palindrome (46566564).

The spelling of 30415161 in words is "thirty million, four hundred fifteen thousand, one hundred sixty-one".