25065901 has 6 divisors (see below), whose sum is σ = 29158350. Its totient is φ = 21485016.

The previous prime is 25065893. The next prime is 25065913. The reversal of 25065901 is 10956052.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 15876 = 5005^2 + 126^2 .

It is not a de Polignac number, because 25065901 - 2³ = 25065893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25065901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25065991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255726 + ... + 255823.

It is an arithmetic number, because the mean of its divisors is an integer number (4859725).

Almost surely, 2^25065901 is an apocalyptic number.

It is an amenable number.

25065901 is a deficient number, since it is larger than the sum of its proper divisors (4092449).

25065901 is an equidigital number, since it uses as much as digits as its factorization.

25065901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511563 (or 511556 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 25065901 is about 5006.5857627729. The cubic root of 25065901 is about 292.6584759848.

The spelling of 25065901 in words is "twenty-five million, sixty-five thousand, nine hundred one".