25947475 has 12 divisors (see below), whose sum is σ = 32783616. Its totient is φ = 20365280.

The previous prime is 25947419. The next prime is 25947479. The reversal of 25947475 is 57474952.

It is not a de Polignac number, because 25947475 - 2¹⁹ = 25423187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25947479) 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, 8467 + ... + 11116.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 2^25947475 is an apocalyptic number.

25947475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25947475 is a deficient number, since it is larger than the sum of its proper divisors (6836141).

25947475 is a wasteful number, since it uses less digits than its factorization.

25947475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19646 (or 19641 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 25947475 is about 5093.8664097128. The cubic root of 25947475 is about 296.0499786256.

The spelling of 25947475 in words is "twenty-five million, nine hundred forty-seven thousand, four hundred seventy-five".