25727530 has 16 divisors (see below), whose sum is σ = 46478304. Its totient is φ = 10253520.

The previous prime is 25727503. The next prime is 25727549. The reversal of 25727530 is 3572752.

It is a junction number, because it is equal to n+sod(n) for n = 25727492 and 25727501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (2904894).

Almost surely, 2^25727530 is an apocalyptic number.

25727530 is a deficient number, since it is larger than the sum of its proper divisors (20750774).

25727530 is a wasteful number, since it uses less digits than its factorization.

25727530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 25727530 is about 5072.2312644437. The cubic root of 25727530 is about 295.2111100198.

The spelling of 25727530 in words is "twenty-five million, seven hundred twenty-seven thousand, five hundred thirty".