25243764 has 48 divisors (see below), whose sum is σ = 72498048. Its totient is φ = 6657408.

The previous prime is 25243753. The next prime is 25243769. The reversal of 25243764 is 46734252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10467 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (1510376).

Almost surely, 2^25243764 is an apocalyptic number.

It is an amenable number.

25243764 is an abundant number, since it is smaller than the sum of its proper divisors (47254284).

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

25243764 is a wasteful number, since it uses less digits than its factorization.

25243764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23144 (or 23142 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 25243764 is about 5024.3172670523. The cubic root of 25243764 is about 293.3490619436.

The spelling of 25243764 in words is "twenty-five million, two hundred forty-three thousand, seven hundred sixty-four".