25486245 has 20 divisors (see below), whose sum is σ = 45687180. Its totient is φ = 13592448.

The previous prime is 25486211. The next prime is 25486249. The reversal of 25486245 is 54268452.

It is a happy number.

25486245 is a `hidden beast` number, since 25 + 4 + 8 + 624 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13417569 + 12068676 = 3663^2 + 3474^2 .

It is not a de Polignac number, because 25486245 - 2⁷ = 25486117 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25486249) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31060 + ... + 31869.

It is an arithmetic number, because the mean of its divisors is an integer number (2284359).

Almost surely, 2^25486245 is an apocalyptic number.

It is an amenable number.

25486245 is a deficient number, since it is larger than the sum of its proper divisors (20200935).

25486245 is an equidigital number, since it uses as much as digits as its factorization.

25486245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62946 (or 62937 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 25486245 is about 5048.3903375234. The cubic root of 25486245 is about 294.2853331511.

The spelling of 25486245 in words is "twenty-five million, four hundred eighty-six thousand, two hundred forty-five".