25530995 has 8 divisors (see below), whose sum is σ = 35013984. Its totient is φ = 17506944.

The previous prime is 25530977. The next prime is 25530997. The reversal of 25530995 is 59903552.

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

It is not a de Polignac number, because 25530995 - 2¹⁶ = 25465459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25530997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364694 + ... + 364763.

It is an arithmetic number, because the mean of its divisors is an integer number (4376748).

Almost surely, 2^25530995 is an apocalyptic number.

25530995 is a deficient number, since it is larger than the sum of its proper divisors (9482989).

25530995 is an equidigital number, since it uses as much as digits as its factorization.

25530995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729469.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 25530995 is about 5052.8204994834. The cubic root of 25530995 is about 294.4574726511.

The spelling of 25530995 in words is "twenty-five million, five hundred thirty thousand, nine hundred ninety-five".