15904873 has 2 divisors, whose sum is σ = 15904874. Its totient is φ = 15904872.

The previous prime is 15904849. The next prime is 15904879. The reversal of 15904873 is 37840951.

15904873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15904144 + 729 = 3988^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 15904873 - 2¹³ = 15896681 is a prime.

It is a super-2 number, since 2×15904873² = 505929970292258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15904879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7952436 + 7952437.

It is an arithmetic number, because the mean of its divisors is an integer number (7952437).

Almost surely, 2^15904873 is an apocalyptic number.

It is an amenable number.

15904873 is a deficient number, since it is larger than the sum of its proper divisors (1).

15904873 is an equidigital number, since it uses as much as digits as its factorization.

15904873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 15904873 is about 3988.0913981502. The cubic root of 15904873 is about 251.4838315515.

The spelling of 15904873 in words is "fifteen million, nine hundred four thousand, eight hundred seventy-three".