25052245 has 4 divisors (see below), whose sum is σ = 30062700. Its totient is φ = 20041792.

The previous prime is 25052227. The next prime is 25052249. The reversal of 25052245 is 54225052.

It is a happy number.

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 5044516 + 20007729 = 2246^2 + 4473^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052245 - 2¹⁷ = 24921173 is a prime.

It is a super-2 number, since 2×25052245² = 1255229959080050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052249) 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 3 ways as a sum of consecutive naturals, for example, 2505220 + ... + 2505229.

It is an arithmetic number, because the mean of its divisors is an integer number (7515675).

Almost surely, 2^25052245 is an apocalyptic number.

It is an amenable number.

25052245 is a deficient number, since it is larger than the sum of its proper divisors (5010455).

25052245 is an equidigital number, since it uses as much as digits as its factorization.

25052245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010454.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 25052245 is about 5005.2217733084. The cubic root of 25052245 is about 292.6053191730.

Adding to 25052245 its reverse (54225052), we get a palindrome (79277297).

The spelling of 25052245 in words is "twenty-five million, fifty-two thousand, two hundred forty-five".