9315137 has 4 divisors (see below), whose sum is σ = 10031700. Its totient is φ = 8598576.

The previous prime is 9315109. The next prime is 9315143. The reversal of 9315137 is 7315139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7315139 = 13 ⋅562703.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 8904256 = 641^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 9315137 - 2⁸ = 9314881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9315037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358262 + ... + 358287.

It is an arithmetic number, because the mean of its divisors is an integer number (2507925).

Almost surely, 2^9315137 is an apocalyptic number.

It is an amenable number.

9315137 is a deficient number, since it is larger than the sum of its proper divisors (716563).

9315137 is a wasteful number, since it uses less digits than its factorization.

9315137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716562.

The product of its digits is 2835, while the sum is 29.

The square root of 9315137 is about 3052.0709362661. The cubic root of 9315137 is about 210.4084040193.

The spelling of 9315137 in words is "nine million, three hundred fifteen thousand, one hundred thirty-seven".