25534768 has 20 divisors (see below), whose sum is σ = 56541520. Its totient is φ = 10943424.

The previous prime is 25534757. The next prime is 25534811. The reversal of 25534768 is 86743552.

It is a self number, because there is not a number n which added to its sum of digits gives 25534768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113883 + ... + 114106.

It is an arithmetic number, because the mean of its divisors is an integer number (2827076).

Almost surely, 2^25534768 is an apocalyptic number.

25534768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25534768 is an abundant number, since it is smaller than the sum of its proper divisors (31006752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25534768 is a wasteful number, since it uses less digits than its factorization.

25534768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228004 (or 227998 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 25534768 is about 5053.1938415224. The cubic root of 25534768 is about 294.4719770254.

The spelling of 25534768 in words is "twenty-five million, five hundred thirty-four thousand, seven hundred sixty-eight".