25875261 has 8 divisors (see below), whose sum is σ = 38333760. Its totient is φ = 17250156.

The previous prime is 25875257. The next prime is 25875281. The reversal of 25875261 is 16257852.

It is a happy number.

It is not a de Polignac number, because 25875261 - 2² = 25875257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25875211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479145 + ... + 479198.

It is an arithmetic number, because the mean of its divisors is an integer number (4791720).

Almost surely, 2^25875261 is an apocalyptic number.

It is an amenable number.

25875261 is a deficient number, since it is larger than the sum of its proper divisors (12458499).

25875261 is an equidigital number, since it uses as much as digits as its factorization.

25875261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958352 (or 958346 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 25875261 is about 5086.7731421796. The cubic root of 25875261 is about 295.7750794685.

The spelling of 25875261 in words is "twenty-five million, eight hundred seventy-five thousand, two hundred sixty-one".