25851460 has 24 divisors (see below), whose sum is σ = 54383616. Its totient is φ = 10322400.

The previous prime is 25851451. The next prime is 25851461. The reversal of 25851460 is 6415852.

It is not an unprimeable number, because it can be changed into a prime (25851461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21885 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (2265984).

Almost surely, 2^25851460 is an apocalyptic number.

25851460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25851460 is an abundant number, since it is smaller than the sum of its proper divisors (28532156).

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

25851460 is a wasteful number, since it uses less digits than its factorization.

25851460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 25851460 is about 5084.4331050767. The cubic root of 25851460 is about 295.6843634464.

The spelling of 25851460 in words is "twenty-five million, eight hundred fifty-one thousand, four hundred sixty".