25214825 has 24 divisors (see below), whose sum is σ = 33569280. Its totient is φ = 18720000.

The previous prime is 25214821. The next prime is 25214851. The reversal of 25214825 is 52841252.

It is not a de Polignac number, because 25214825 - 2² = 25214821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25214821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33200 + ... + 33950.

It is an arithmetic number, because the mean of its divisors is an integer number (1398720).

Almost surely, 2^25214825 is an apocalyptic number.

25214825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25214825 is a deficient number, since it is larger than the sum of its proper divisors (8354455).

25214825 is a wasteful number, since it uses less digits than its factorization.

25214825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 852 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 25214825 is about 5021.4365474434. The cubic root of 25214825 is about 293.2369223733.

The spelling of 25214825 in words is "twenty-five million, two hundred fourteen thousand, eight hundred twenty-five".