15412961 has 2 divisors, whose sum is σ = 15412962. Its totient is φ = 15412960.

The previous prime is 15412939. The next prime is 15412973. The reversal of 15412961 is 16921451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 7398400 = 2831^2 + 2720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15412961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15412261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706480 + 7706481.

It is an arithmetic number, because the mean of its divisors is an integer number (7706481).

Almost surely, 2^15412961 is an apocalyptic number.

It is an amenable number.

15412961 is a deficient number, since it is larger than the sum of its proper divisors (1).

15412961 is an equidigital number, since it uses as much as digits as its factorization.

15412961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 15412961 is about 3925.9344110670. The cubic root of 15412961 is about 248.8639709042.

The spelling of 15412961 in words is "fifteen million, four hundred twelve thousand, nine hundred sixty-one".