15245479 has 2 divisors, whose sum is σ = 15245480. Its totient is φ = 15245478.

The previous prime is 15245473. The next prime is 15245491. The reversal of 15245479 is 97454251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15245479 - 2³ = 15245471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15245471) 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, 7622739 + 7622740.

It is an arithmetic number, because the mean of its divisors is an integer number (7622740).

Almost surely, 2^15245479 is an apocalyptic number.

15245479 is a deficient number, since it is larger than the sum of its proper divisors (1).

15245479 is an equidigital number, since it uses as much as digits as its factorization.

15245479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 15245479 is about 3904.5459403111. The cubic root of 15245479 is about 247.9592750939.

The spelling of 15245479 in words is "fifteen million, two hundred forty-five thousand, four hundred seventy-nine".