15255251 has 8 divisors (see below), whose sum is σ = 16671744. Its totient is φ = 13843720.

The previous prime is 15255197. The next prime is 15255269.

15255251 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15255251 - 2¹⁰ = 15254227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15255251.

It is not an unprimeable number, because it can be changed into a prime (15255281) 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 7 ways as a sum of consecutive naturals, for example, 8690 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (2083968).

Almost surely, 2^15255251 is an apocalyptic number.

15255251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15255251 is a deficient number, since it is larger than the sum of its proper divisors (1416493).

15255251 is a wasteful number, since it uses less digits than its factorization.

15255251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481.

The product of its digits is 2500, while the sum is 26.

The square root of 15255251 is about 3905.7971017450. The cubic root of 15255251 is about 248.0122425018.

It can be divided in two parts, 1525 and 5251, that added together give a palindrome (6776).

The spelling of 15255251 in words is "fifteen million, two hundred fifty-five thousand, two hundred fifty-one".