15117071 has 2 divisors, whose sum is σ = 15117072. Its totient is φ = 15117070.

The previous prime is 15117061. The next prime is 15117083. The reversal of 15117071 is 17071151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15117071 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 (15117041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7558535 + 7558536.

It is an arithmetic number, because the mean of its divisors is an integer number (7558536).

Almost surely, 2^15117071 is an apocalyptic number.

15117071 is a deficient number, since it is larger than the sum of its proper divisors (1).

15117071 is an equidigital number, since it uses as much as digits as its factorization.

15117071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 15117071 is about 3888.0677720431. The cubic root of 15117071 is about 247.2611497025.

The spelling of 15117071 in words is "fifteen million, one hundred seventeen thousand, seventy-one".