15157253 has 4 divisors (see below), whose sum is σ = 15816288. Its totient is φ = 14498220.

The previous prime is 15157237. The next prime is 15157267. The reversal of 15157253 is 35275151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15157253 - 2⁴ = 15157237 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 (15157273) 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, 329483 + ... + 329528.

It is an arithmetic number, because the mean of its divisors is an integer number (3954072).

Almost surely, 2^15157253 is an apocalyptic number.

It is an amenable number.

15157253 is a deficient number, since it is larger than the sum of its proper divisors (659035).

15157253 is an equidigital number, since it uses as much as digits as its factorization.

15157253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659034.

The product of its digits is 5250, while the sum is 29.

The square root of 15157253 is about 3893.2316910248. The cubic root of 15157253 is about 247.4800337599.

The spelling of 15157253 in words is "fifteen million, one hundred fifty-seven thousand, two hundred fifty-three".