15141257 has 2 divisors, whose sum is σ = 15141258. Its totient is φ = 15141256.

The previous prime is 15141241. The next prime is 15141283. The reversal of 15141257 is 75214151.

It is an a-pointer prime, because the next prime (15141283) can be obtained adding 15141257 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13388281 + 1752976 = 3659^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 15141257 - 2⁴ = 15141241 is a prime.

It is not a weakly prime, because it can be changed into another prime (15141227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570628 + 7570629.

It is an arithmetic number, because the mean of its divisors is an integer number (7570629).

Almost surely, 2^15141257 is an apocalyptic number.

It is an amenable number.

15141257 is a deficient number, since it is larger than the sum of its proper divisors (1).

15141257 is an equidigital number, since it uses as much as digits as its factorization.

15141257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 26.

The square root of 15141257 is about 3891.1768142813. The cubic root of 15141257 is about 247.3929448918.

The spelling of 15141257 in words is "fifteen million, one hundred forty-one thousand, two hundred fifty-seven".