15133873 has 2 divisors, whose sum is σ = 15133874. Its totient is φ = 15133872.

The previous prime is 15133871. The next prime is 15133883. The reversal of 15133873 is 37833151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 2862864 = 3503^2 + 1692^2 .

It is an emirp because it is prime and its reverse (37833151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15133873 - 2¹ = 15133871 is a prime.

It is a super-2 number, since 2×15133873² = 458068223960258, which contains 22 as substring.

Together with 15133871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15133871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7566936 + 7566937.

It is an arithmetic number, because the mean of its divisors is an integer number (7566937).

Almost surely, 2^15133873 is an apocalyptic number.

It is an amenable number.

15133873 is a deficient number, since it is larger than the sum of its proper divisors (1).

15133873 is an equidigital number, since it uses as much as digits as its factorization.

15133873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 15133873 is about 3890.2278853558. The cubic root of 15133873 is about 247.3527226360.

The spelling of 15133873 in words is "fifteen million, one hundred thirty-three thousand, eight hundred seventy-three".