15797481 has 16 divisors (see below), whose sum is σ = 25119744. Its totient is φ = 8634384.

The previous prime is 15797477. The next prime is 15797501. The reversal of 15797481 is 18479751.

15797481 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15797481 - 2² = 15797477 is a prime.

It is a super-2 number, since 2×15797481² = 499120811890722, which contains 22 as substring.

15797481 is strictly pandigital in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15797381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15871 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (1569984).

Almost surely, 2^15797481 is an apocalyptic number.

It is an amenable number.

15797481 is a deficient number, since it is larger than the sum of its proper divisors (9322263).

15797481 is a wasteful number, since it uses less digits than its factorization.

15797481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32740.

The product of its digits is 70560, while the sum is 42.

The square root of 15797481 is about 3974.6045086272. The cubic root of 15797481 is about 250.9165344191.

The spelling of 15797481 in words is "fifteen million, seven hundred ninety-seven thousand, four hundred eighty-one".