25254225 has 18 divisors (see below), whose sum is σ = 45233526. Its totient is φ = 13468800.

The previous prime is 25254223. The next prime is 25254227. The reversal of 25254225 is 52245252.

It is an interprime number because it is at equal distance from previous prime (25254223) and next prime (25254227).

It can be written as a sum of positive squares in 3 ways, for example, as 8803089 + 16451136 = 2967^2 + 4056^2 .

It is not a de Polignac number, because 25254225 - 2¹ = 25254223 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25254221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55896 + ... + 56345.

Almost surely, 2^25254225 is an apocalyptic number.

25254225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25254225 is a deficient number, since it is larger than the sum of its proper divisors (19979301).

25254225 is a wasteful number, since it uses less digits than its factorization.

25254225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112257 (or 112249 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 25254225 is about 5025.3581961886. The cubic root of 25254225 is about 293.3895775701.

Adding to 25254225 its reverse (52245252), we get a palindrome (77499477).

The spelling of 25254225 in words is "twenty-five million, two hundred fifty-four thousand, two hundred twenty-five".