15412161 has 4 divisors (see below), whose sum is σ = 20549552. Its totient is φ = 10274772.

The previous prime is 15412147. The next prime is 15412169. The reversal of 15412161 is 16121451.

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.

It is not a de Polignac number, because 15412161 - 2¹⁴ = 15395777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15412169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568691 + ... + 2568696.

It is an arithmetic number, because the mean of its divisors is an integer number (5137388).

Almost surely, 2^15412161 is an apocalyptic number.

It is an amenable number.

15412161 is a deficient number, since it is larger than the sum of its proper divisors (5137391).

15412161 is an equidigital number, since it uses as much as digits as its factorization.

15412161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137390.

The product of its digits is 240, while the sum is 21.

The square root of 15412161 is about 3925.8325231726. The cubic root of 15412161 is about 248.8596651207.

The spelling of 15412161 in words is "fifteen million, four hundred twelve thousand, one hundred sixty-one".