25967471 has 4 divisors (see below), whose sum is σ = 27334200. Its totient is φ = 24600744.

The previous prime is 25967467. The next prime is 25967477. The reversal of 25967471 is 17476952.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25967471 - 2² = 25967467 is a prime.

It is a super-3 number, since 3×25967471³ (a number of 23 digits) contains 333 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 (25967477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683336 + ... + 683373.

It is an arithmetic number, because the mean of its divisors is an integer number (6833550).

Almost surely, 2^25967471 is an apocalyptic number.

25967471 is a deficient number, since it is larger than the sum of its proper divisors (1366729).

25967471 is a wasteful number, since it uses less digits than its factorization.

25967471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366728.

The product of its digits is 105840, while the sum is 41.

The square root of 25967471 is about 5095.8287844079. The cubic root of 25967471 is about 296.1260078006.

The spelling of 25967471 in words is "twenty-five million, nine hundred sixty-seven thousand, four hundred seventy-one".