25272530 has 8 divisors (see below), whose sum is σ = 45490572. Its totient is φ = 10109008.

The previous prime is 25272497. The next prime is 25272551. The reversal of 25272530 is 3527252.

It can be written as a sum of positive squares in 2 ways, for example, as 25110121 + 162409 = 5011^2 + 403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25272530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263617 + ... + 1263636.

Almost surely, 2^25272530 is an apocalyptic number.

25272530 is a deficient number, since it is larger than the sum of its proper divisors (20218042).

25272530 is a wasteful number, since it uses less digits than its factorization.

25272530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527260.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25272530 is about 5027.1791294920. The cubic root of 25272530 is about 293.4604462290.

Adding to 25272530 its reverse (3527252), we get a palindrome (28799782).

The spelling of 25272530 in words is "twenty-five million, two hundred seventy-two thousand, five hundred thirty".