25268245 has 4 divisors (see below), whose sum is σ = 30321900. Its totient is φ = 20214592.

The previous prime is 25268183. The next prime is 25268263. The reversal of 25268245 is 54286252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8678916 + 16589329 = 2946^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 25268245 - 2¹⁷ = 25137173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25268245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526820 + ... + 2526829.

It is an arithmetic number, because the mean of its divisors is an integer number (7580475).

Almost surely, 2^25268245 is an apocalyptic number.

It is an amenable number.

25268245 is a deficient number, since it is larger than the sum of its proper divisors (5053655).

25268245 is an equidigital number, since it uses as much as digits as its factorization.

25268245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053654.

The product of its digits is 38400, while the sum is 34.

The square root of 25268245 is about 5026.7529280839. The cubic root of 25268245 is about 293.4438597207.

The spelling of 25268245 in words is "twenty-five million, two hundred sixty-eight thousand, two hundred forty-five".