25229764 has 12 divisors (see below), whose sum is σ = 50459584. Its totient is φ = 10812744.

The previous prime is 25229761. The next prime is 25229773. The reversal of 25229764 is 46792252.

It is a happy number.

25229764 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25229761) 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 3 ways as a sum of consecutive naturals, for example, 450504 + ... + 450559.

Almost surely, 2^25229764 is an apocalyptic number.

It is an amenable number.

25229764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25229764 is a wasteful number, since it uses less digits than its factorization.

25229764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901074 (or 901072 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 25229764 is about 5022.9238497114. The cubic root of 25229764 is about 293.2948221939.

The spelling of 25229764 in words is "twenty-five million, two hundred twenty-nine thousand, seven hundred sixty-four".