25828623 has 12 divisors (see below), whose sum is σ = 37658088. Its totient is φ = 17057520.

The previous prime is 25828613. The next prime is 25828631. The reversal of 25828623 is 32682852.

25828623 is a `hidden beast` number, since 2 + 5 + 8 + 28 + 623 = 666.

It is not a de Polignac number, because 25828623 - 2⁹ = 25828111 is a prime.

It is a super-2 number, since 2×25828623² = 1334235532152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25828603) 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, 12448 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (3138174).

Almost surely, 2^25828623 is an apocalyptic number.

25828623 is a deficient number, since it is larger than the sum of its proper divisors (11829465).

25828623 is a wasteful number, since it uses less digits than its factorization.

25828623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26934 (or 26931 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 25828623 is about 5082.1868324571. The cubic root of 25828623 is about 295.5972692918.

The spelling of 25828623 in words is "twenty-five million, eight hundred twenty-eight thousand, six hundred twenty-three".