15255253 has 4 divisors (see below), whose sum is σ = 16428748. Its totient is φ = 14081760.

The previous prime is 15255197. The next prime is 15255269. The reversal of 15255253 is 35255251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1580049 + 13675204 = 1257^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 15255253 - 2⁹ = 15254741 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 (15255353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586728 + ... + 586753.

It is an arithmetic number, because the mean of its divisors is an integer number (4107187).

Almost surely, 2^15255253 is an apocalyptic number.

15255253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15255253 is a deficient number, since it is larger than the sum of its proper divisors (1173495).

15255253 is a wasteful number, since it uses less digits than its factorization.

15255253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173494.

The product of its digits is 7500, while the sum is 28.

The square root of 15255253 is about 3905.7973577747. The cubic root of 15255253 is about 248.0122533401.

The spelling of 15255253 in words is "fifteen million, two hundred fifty-five thousand, two hundred fifty-three".