25028964 has 36 divisors (see below), whose sum is σ = 66990924. Its totient is φ = 7852032.

The previous prime is 25028963. The next prime is 25028977. The reversal of 25028964 is 46982052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20793600 + 4235364 = 4560^2 + 2058^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25028963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19837 + ... + 21060.

It is an arithmetic number, because the mean of its divisors is an integer number (1860859).

Almost surely, 2^25028964 is an apocalyptic number.

It is an amenable number.

25028964 is an abundant number, since it is smaller than the sum of its proper divisors (41961960).

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

25028964 is a wasteful number, since it uses less digits than its factorization.

25028964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40924 (or 40919 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25028964 is about 5002.8955615723. The cubic root of 25028964 is about 292.5146519069.

The spelling of 25028964 in words is "twenty-five million, twenty-eight thousand, nine hundred sixty-four".