15255091 has 2 divisors, whose sum is σ = 15255092. Its totient is φ = 15255090.

The previous prime is 15255061. The next prime is 15255101. The reversal of 15255091 is 19055251.

15255091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19055251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15255091 - 2⁷ = 15254963 is a prime.

It is not a weakly prime, because it can be changed into another prime (15255011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627545 + 7627546.

It is an arithmetic number, because the mean of its divisors is an integer number (7627546).

Almost surely, 2^15255091 is an apocalyptic number.

15255091 is a deficient number, since it is larger than the sum of its proper divisors (1).

15255091 is an equidigital number, since it uses as much as digits as its factorization.

15255091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 15255091 is about 3905.7766193166. The cubic root of 15255091 is about 248.0113754321.

The spelling of 15255091 in words is "fifteen million, two hundred fifty-five thousand, ninety-one".