25459028 has 18 divisors (see below), whose sum is σ = 51827706. Its totient is φ = 10910928.

The previous prime is 25459019. The next prime is 25459033. The reversal of 25459028 is 82095452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 9314704 = 4018^2 + 3052^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 64751 + ... + 65142.

It is an arithmetic number, because the mean of its divisors is an integer number (2879317).

Almost surely, 2^25459028 is an apocalyptic number.

25459028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25459028 is an abundant number, since it is smaller than the sum of its proper divisors (26368678).

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

25459028 is a wasteful number, since it uses less digits than its factorization.

25459028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129911 (or 129902 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25459028 is about 5045.6940057835. The cubic root of 25459028 is about 294.1805391498.

The spelling of 25459028 in words is "twenty-five million, four hundred fifty-nine thousand, twenty-eight".