15133081 has 4 divisors (see below), whose sum is σ = 15141412. Its totient is φ = 15124752.

The previous prime is 15133051. The next prime is 15133093. The reversal of 15133081 is 18033151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18033151 = 433 ⋅41647.

It can be written as a sum of positive squares in 2 ways, for example, as 4995225 + 10137856 = 2235^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 15133081 - 2⁵ = 15133049 is a prime.

It is a super-2 number, since 2×15133081² = 458020281105122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15133031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (3785353).

Almost surely, 2^15133081 is an apocalyptic number.

It is an amenable number.

15133081 is a deficient number, since it is larger than the sum of its proper divisors (8331).

15133081 is an equidigital number, since it uses as much as digits as its factorization.

15133081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 15133081 is about 3890.1260905014. The cubic root of 15133081 is about 247.3484076627.

The spelling of 15133081 in words is "fifteen million, one hundred thirty-three thousand, eighty-one".