15235013 has 2 divisors, whose sum is σ = 15235014. Its totient is φ = 15235012.

The previous prime is 15235007. The next prime is 15235021. The reversal of 15235013 is 31053251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15225604 + 9409 = 3902^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 15235013 - 2⁴ = 15234997 is a prime.

It is a super-2 number, since 2×15235013² = 464211242220338, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15235813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7617506 + 7617507.

It is an arithmetic number, because the mean of its divisors is an integer number (7617507).

Almost surely, 2^15235013 is an apocalyptic number.

It is an amenable number.

15235013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15235013 is an equidigital number, since it uses as much as digits as its factorization.

15235013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 15235013 is about 3903.2054775530. The cubic root of 15235013 is about 247.9025208729.

Adding to 15235013 its reverse (31053251), we get a palindrome (46288264).

The spelling of 15235013 in words is "fifteen million, two hundred thirty-five thousand, thirteen".