25147268 has 12 divisors (see below), whose sum is σ = 45081372. Its totient is φ = 12266880.

The previous prime is 25147261. The next prime is 25147273. The reversal of 25147268 is 86274152.

25147268 = T₁₀₈₇ + T₁₀₈₈ + ... + T₁₁₂₇.

It can be written as a sum of positive squares in 2 ways, for example, as 3319684 + 21827584 = 1822^2 + 4672^2 .

It is not an unprimeable number, because it can be changed into a prime (25147261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76505 + ... + 76832.

It is an arithmetic number, because the mean of its divisors is an integer number (3756781).

Almost surely, 2^25147268 is an apocalyptic number.

It is an amenable number.

25147268 is a deficient number, since it is larger than the sum of its proper divisors (19934104).

25147268 is a wasteful number, since it uses less digits than its factorization.

25147268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153382 (or 153380 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 25147268 is about 5014.7051757805. The cubic root of 25147268 is about 292.9748024319.

The spelling of 25147268 in words is "twenty-five million, one hundred forty-seven thousand, two hundred sixty-eight".