25474851 has 16 divisors (see below), whose sum is σ = 37918720. Its totient is φ = 16903080.

The previous prime is 25474849. The next prime is 25474853. The reversal of 25474851 is 15847452.

It is an interprime number because it is at equal distance from previous prime (25474849) and next prime (25474853).

It is not a de Polignac number, because 25474851 - 2¹ = 25474849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25474853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906 + ... + 8136.

It is an arithmetic number, because the mean of its divisors is an integer number (2369920).

Almost surely, 2^25474851 is an apocalyptic number.

25474851 is a deficient number, since it is larger than the sum of its proper divisors (12443869).

25474851 is a wasteful number, since it uses less digits than its factorization.

25474851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4457 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 25474851 is about 5047.2617328607. The cubic root of 25474851 is about 294.2414717545.

The spelling of 25474851 in words is "twenty-five million, four hundred seventy-four thousand, eight hundred fifty-one".