25679223 has 6 divisors (see below), whose sum is σ = 37092224. Its totient is φ = 17119476.

The previous prime is 25679179. The next prime is 25679233. The reversal of 25679223 is 32297652.

25679223 is a `hidden beast` number, since 2 + 567 + 92 + 2 + 3 = 666.

It is not a de Polignac number, because 25679223 - 2¹⁴ = 25662839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25679233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1426615 + ... + 1426632.

Almost surely, 2^25679223 is an apocalyptic number.

25679223 is a deficient number, since it is larger than the sum of its proper divisors (11413001).

25679223 is a wasteful number, since it uses less digits than its factorization.

25679223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853253 (or 2853250 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 25679223 is about 5067.4671187882. The cubic root of 25679223 is about 295.0262276786.

The spelling of 25679223 in words is "twenty-five million, six hundred seventy-nine thousand, two hundred twenty-three".