15008481 has 6 divisors (see below), whose sum is σ = 21678930. Its totient is φ = 10005648.

The previous prime is 15008473. The next prime is 15008503. The reversal of 15008481 is 18480051.

15008481 is a `hidden beast` number, since 1 + 500 + 84 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 147456 = 3855^2 + 384^2 .

It is not a de Polignac number, because 15008481 - 2³ = 15008473 is a prime.

It is a super-2 number, since 2×15008481² = 450509003854722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15008471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833796 + ... + 833813.

It is an arithmetic number, because the mean of its divisors is an integer number (3613155).

Almost surely, 2^15008481 is an apocalyptic number.

It is an amenable number.

15008481 is a deficient number, since it is larger than the sum of its proper divisors (6670449).

15008481 is a wasteful number, since it uses less digits than its factorization.

15008481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667615 (or 1667612 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 15008481 is about 3874.0780838801. The cubic root of 15008481 is about 246.6676785528.

The spelling of 15008481 in words is "fifteen million, eight thousand, four hundred eighty-one".