15047117 has 2 divisors, whose sum is σ = 15047118. Its totient is φ = 15047116.

The previous prime is 15047111. The next prime is 15047147. The reversal of 15047117 is 71174051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14891881 + 155236 = 3859^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 15047117 - 2¹⁴ = 15030733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15047111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7523558 + 7523559.

It is an arithmetic number, because the mean of its divisors is an integer number (7523559).

Almost surely, 2^15047117 is an apocalyptic number.

It is an amenable number.

15047117 is a deficient number, since it is larger than the sum of its proper divisors (1).

15047117 is an equidigital number, since it uses as much as digits as its factorization.

15047117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 15047117 is about 3879.0613555344. The cubic root of 15047117 is about 246.8791608977.

The spelling of 15047117 in words is "fifteen million, forty-seven thousand, one hundred seventeen".