25716873 has 16 divisors (see below), whose sum is σ = 42202496. Its totient is φ = 13564800.

The previous prime is 25716871. The next prime is 25716877. The reversal of 25716873 is 37861752.

It is not a de Polignac number, because 25716873 - 2¹ = 25716871 is a prime.

It is a super-2 number, since 2×25716873² = 1322715113796258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25716871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46828 + ... + 47373.

It is an arithmetic number, because the mean of its divisors is an integer number (2637656).

Almost surely, 2^25716873 is an apocalyptic number.

It is an amenable number.

25716873 is a deficient number, since it is larger than the sum of its proper divisors (16485623).

25716873 is a wasteful number, since it uses less digits than its factorization.

25716873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94224.

The product of its digits is 70560, while the sum is 39.

The square root of 25716873 is about 5071.1806317661. The cubic root of 25716873 is about 295.1703430632.

The spelling of 25716873 in words is "twenty-five million, seven hundred sixteen thousand, eight hundred seventy-three".