15261271 has 2 divisors, whose sum is σ = 15261272. Its totient is φ = 15261270.

The previous prime is 15261251. The next prime is 15261287. The reversal of 15261271 is 17216251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15261271 - 2¹⁹ = 14736983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15261251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7630635 + 7630636.

It is an arithmetic number, because the mean of its divisors is an integer number (7630636).

Almost surely, 2^15261271 is an apocalyptic number.

15261271 is a deficient number, since it is larger than the sum of its proper divisors (1).

15261271 is an equidigital number, since it uses as much as digits as its factorization.

15261271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 15261271 is about 3906.5676750826. The cubic root of 15261271 is about 248.0448615947.

The spelling of 15261271 in words is "fifteen million, two hundred sixty-one thousand, two hundred seventy-one".