25530088 has 8 divisors (see below), whose sum is σ = 47868930. Its totient is φ = 12765040.

The previous prime is 25530083. The next prime is 25530133. The reversal of 25530088 is 88003552.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 3232804 = 4722^2 + 1798^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25530083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595623 + ... + 1595638.

Almost surely, 2^25530088 is an apocalyptic number.

It is an amenable number.

25530088 is a deficient number, since it is larger than the sum of its proper divisors (22338842).

25530088 is a wasteful number, since it uses less digits than its factorization.

25530088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191267 (or 3191263 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 25530088 is about 5052.7307468338. The cubic root of 25530088 is about 294.4539856988.

The spelling of 25530088 in words is "twenty-five million, five hundred thirty thousand, eighty-eight".