15245713 has 6 divisors (see below), whose sum is σ = 17734866. Its totient is φ = 13067712.

The previous prime is 15245701. The next prime is 15245723. The reversal of 15245713 is 31754251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12446784 + 2798929 = 3528^2 + 1673^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15245713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15245723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155520 + ... + 155617.

It is an arithmetic number, because the mean of its divisors is an integer number (2955811).

Almost surely, 2^15245713 is an apocalyptic number.

It is an amenable number.

15245713 is a deficient number, since it is larger than the sum of its proper divisors (2489153).

15245713 is an equidigital number, since it uses as much as digits as its factorization.

15245713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311151 (or 311144 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 15245713 is about 3904.5759052681. The cubic root of 15245713 is about 247.9605437142.

Adding to 15245713 its reverse (31754251), we get a palindrome (46999964).

The spelling of 15245713 in words is "fifteen million, two hundred forty-five thousand, seven hundred thirteen".