25210985 has 8 divisors (see below), whose sum is σ = 30298560. Its totient is φ = 20138544.

The previous prime is 25210973. The next prime is 25210993. The reversal of 25210985 is 58901252.

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

It is a cyclic number.

It is not a de Polignac number, because 25210985 - 2⁸ = 25210729 is a prime.

It is an alternating number because its digits alternate between even and odd.

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, 284 + ... + 7106.

It is an arithmetic number, because the mean of its divisors is an integer number (3787320).

Almost surely, 2^25210985 is an apocalyptic number.

It is an amenable number.

25210985 is a deficient number, since it is larger than the sum of its proper divisors (5087575).

25210985 is an equidigital number, since it uses as much as digits as its factorization.

25210985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 25210985 is about 5021.0541721834. The cubic root of 25210985 is about 293.2220358010. Note that the first 3 decimals are identical.

The spelling of 25210985 in words is "twenty-five million, two hundred ten thousand, nine hundred eighty-five".