15480499 has 2 divisors, whose sum is σ = 15480500. Its totient is φ = 15480498.

The previous prime is 15480463. The next prime is 15480511. The reversal of 15480499 is 99408451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15480499 - 2⁹ = 15479987 is a prime.

It is not a weakly prime, because it can be changed into another prime (15480299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7740249 + 7740250.

It is an arithmetic number, because the mean of its divisors is an integer number (7740250).

Almost surely, 2^15480499 is an apocalyptic number.

15480499 is a deficient number, since it is larger than the sum of its proper divisors (1).

15480499 is an equidigital number, since it uses as much as digits as its factorization.

15480499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 15480499 is about 3934.5265280590. The cubic root of 15480499 is about 249.2269399768.

The spelling of 15480499 in words is "fifteen million, four hundred eighty thousand, four hundred ninety-nine".