15248591 has 2 divisors, whose sum is σ = 15248592. Its totient is φ = 15248590.

The previous prime is 15248587. The next prime is 15248593. The reversal of 15248591 is 19584251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15248591 - 2² = 15248587 is a prime.

Together with 15248593, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₉₈₅₇₃₃ and since 15248591 and 985733 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15248593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7624295 + 7624296.

It is an arithmetic number, because the mean of its divisors is an integer number (7624296).

Almost surely, 2^15248591 is an apocalyptic number.

15248591 is a deficient number, since it is larger than the sum of its proper divisors (1).

15248591 is an equidigital number, since it uses as much as digits as its factorization.

15248591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 35.

The square root of 15248591 is about 3904.9444298223. The cubic root of 15248591 is about 247.9761455984.

The spelling of 15248591 in words is "fifteen million, two hundred forty-eight thousand, five hundred ninety-one".