25153488 has 60 divisors (see below), whose sum is σ = 72312708. Its totient is φ = 8156160.

The previous prime is 25153483. The next prime is 25153501. The reversal of 25153488 is 88435152.

It is a happy number.

25153488 is a `hidden beast` number, since 25 + 153 + 488 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18558864 + 6594624 = 4308^2 + 2568^2 .

It is a super-2 number, since 2×25153488² = 1265395917132288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2968 + ... + 7688.

Almost surely, 2^25153488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25153488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36156354).

25153488 is an abundant number, since it is smaller than the sum of its proper divisors (47159220).

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

25153488 is a wasteful number, since it uses less digits than its factorization.

25153488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772 (or 4763 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 25153488 is about 5015.3253134767. The cubic root of 25153488 is about 292.9989555267.

The spelling of 25153488 in words is "twenty-five million, one hundred fifty-three thousand, four hundred eighty-eight".