25461288 has 24 divisors (see below), whose sum is σ = 68957850. Its totient is φ = 8487072.

The previous prime is 25461281. The next prime is 25461347. The reversal of 25461288 is 88216452.

It can be written as a sum of positive squares in only one way, i.e., 24383844 + 1077444 = 4938^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 (25461281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176743 + ... + 176886.

Almost surely, 2^25461288 is an apocalyptic number.

It is an amenable number.

25461288 is an abundant number, since it is smaller than the sum of its proper divisors (43496562).

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

25461288 is a wasteful number, since it uses less digits than its factorization.

25461288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353641 (or 353634 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 25461288 is about 5045.9179541487. The cubic root of 25461288 is about 294.1892437025.

The spelling of 25461288 in words is "twenty-five million, four hundred sixty-one thousand, two hundred eighty-eight".