25766475 has 48 divisors (see below), whose sum is σ = 51568128. Its totient is φ = 11082240.

The previous prime is 25766459. The next prime is 25766483. The reversal of 25766475 is 57466752.

It is not a de Polignac number, because 25766475 - 2⁴ = 25766459 is a prime.

It is a super-2 number, since 2×25766475² = 1327822467851250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7482 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (1074336).

Almost surely, 2^25766475 is an apocalyptic number.

25766475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25766475 is an abundant number, since it is smaller than the sum of its proper divisors (25801653).

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

25766475 is a wasteful number, since it uses less digits than its factorization.

25766475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2919 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 25766475 is about 5076.0688529609. The cubic root of 25766475 is about 295.3599933413.

The spelling of 25766475 in words is "twenty-five million, seven hundred sixty-six thousand, four hundred seventy-five".