25792947 has 12 divisors (see below), whose sum is σ = 37729120. Its totient is φ = 16977168.

The previous prime is 25792939. The next prime is 25792973. The reversal of 25792947 is 74929752.

It is not a de Polignac number, because 25792947 - 2³ = 25792939 is a prime.

It is a super-2 number, since 2×25792947² = 1330552229889618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25794947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17428 + ... + 18849.

Almost surely, 2^25792947 is an apocalyptic number.

25792947 is a deficient number, since it is larger than the sum of its proper divisors (11936173).

25792947 is a wasteful number, since it uses less digits than its factorization.

25792947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36362 (or 36359 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 25792947 is about 5078.6757132150. The cubic root of 25792947 is about 295.4611078535.

The spelling of 25792947 in words is "twenty-five million, seven hundred ninety-two thousand, nine hundred forty-seven".