15248479 has 2 divisors, whose sum is σ = 15248480. Its totient is φ = 15248478.

The previous prime is 15248419. The next prime is 15248521. The reversal of 15248479 is 97484251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15248479 is a prime.

It is a super-2 number, since 2×15248479² = 465032223626882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15248419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7624239 + 7624240.

It is an arithmetic number, because the mean of its divisors is an integer number (7624240).

Almost surely, 2^15248479 is an apocalyptic number.

15248479 is a deficient number, since it is larger than the sum of its proper divisors (1).

15248479 is an equidigital number, since it uses as much as digits as its factorization.

15248479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 15248479 is about 3904.9300890029. The cubic root of 15248479 is about 247.9755384735.

The spelling of 15248479 in words is "fifteen million, two hundred forty-eight thousand, four hundred seventy-nine".