15135315 has 16 divisors (see below), whose sum is σ = 26079648. Its totient is φ = 7451136.

The previous prime is 15135301. The next prime is 15135317. The reversal of 15135315 is 51353151.

15135315 = 1073² + 1074² + ... + 1085².

It is not a de Polignac number, because 15135315 - 2⁸ = 15135059 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (15135317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38614 + ... + 39003.

It is an arithmetic number, because the mean of its divisors is an integer number (1629978).

Almost surely, 2^15135315 is an apocalyptic number.

15135315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15135315 is a deficient number, since it is larger than the sum of its proper divisors (10944333).

15135315 is a wasteful number, since it uses less digits than its factorization.

15135315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77638.

The product of its digits is 1125, while the sum is 24.

The square root of 15135315 is about 3890.4132171275. The cubic root of 15135315 is about 247.3605785518.

Adding to 15135315 its reverse (51353151), we get a palindrome (66488466).

The spelling of 15135315 in words is "fifteen million, one hundred thirty-five thousand, three hundred fifteen".