25259072 has 14 divisors (see below), whose sum is σ = 50123598. Its totient is φ = 12629504.

The previous prime is 25259057. The next prime is 25259077. The reversal of 25259072 is 27095252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 18496 = 5024^2 + 136^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (25259077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197273 + ... + 197400.

It is an arithmetic number, because the mean of its divisors is an integer number (3580257).

Almost surely, 2^25259072 is an apocalyptic number.

It is an amenable number.

25259072 is a deficient number, since it is larger than the sum of its proper divisors (24864526).

25259072 is an equidigital number, since it uses as much as digits as its factorization.

25259072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394685 (or 394675 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 25259072 is about 5025.8404272320. The cubic root of 25259072 is about 293.4083462885.

The spelling of 25259072 in words is "twenty-five million, two hundred fifty-nine thousand, seventy-two".