25280901 has 12 divisors (see below), whose sum is σ = 37116300. Its totient is φ = 16577280.

The previous prime is 25280897. The next prime is 25280911. The reversal of 25280901 is 10908252.

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 24740676 = 735^2 + 4974^2 .

It is not a de Polignac number, because 25280901 - 2² = 25280897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25280911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22476 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (3093025).

Almost surely, 2^25280901 is an apocalyptic number.

It is an amenable number.

25280901 is a deficient number, since it is larger than the sum of its proper divisors (11835399).

25280901 is a wasteful number, since it uses less digits than its factorization.

25280901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46116 (or 46113 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 25280901 is about 5028.0116348314. The cubic root of 25280901 is about 293.4928435423.

The spelling of 25280901 in words is "twenty-five million, two hundred eighty thousand, nine hundred one".