15873725 has 24 divisors (see below), whose sum is σ = 22879488. Its totient is φ = 10699200.

The previous prime is 15873719. The next prime is 15873727. The reversal of 15873725 is 52737851.

It is a happy number.

It is not a de Polignac number, because 15873725 - 2⁴ = 15873709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15873727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9932 + ... + 11418.

It is an arithmetic number, because the mean of its divisors is an integer number (953312).

Almost surely, 2^15873725 is an apocalyptic number.

It is an amenable number.

15873725 is a deficient number, since it is larger than the sum of its proper divisors (7005763).

15873725 is a wasteful number, since it uses less digits than its factorization.

15873725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1560 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 15873725 is about 3984.1843581842. The cubic root of 15873725 is about 251.3195561653.

The spelling of 15873725 in words is "fifteen million, eight hundred seventy-three thousand, seven hundred twenty-five".