25488488 has 8 divisors (see below), whose sum is σ = 47790930. Its totient is φ = 12744240.

The previous prime is 25488487. The next prime is 25488497. The reversal of 25488488 is 88488452.

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 5579044 = 4462^2 + 2362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×25488488² = 1299326041052288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25488487) 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 as a sum of consecutive naturals, namely, 1593023 + ... + 1593038.

Almost surely, 2^25488488 is an apocalyptic number.

It is an amenable number.

25488488 is a deficient number, since it is larger than the sum of its proper divisors (22302442).

25488488 is a wasteful number, since it uses less digits than its factorization.

25488488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186067 (or 3186063 counting only the distinct ones).

The product of its digits is 655360, while the sum is 47.

The square root of 25488488 is about 5048.6124826530. The cubic root of 25488488 is about 294.2939660775.

The spelling of 25488488 in words is "twenty-five million, four hundred eighty-eight thousand, four hundred eighty-eight".