25940101 has 6 divisors (see below), whose sum is σ = 28512806. Its totient is φ = 23581800.

The previous prime is 25940093. The next prime is 25940107. The reversal of 25940101 is 10104952.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 1437601 = 4950^2 + 1199^2 .

It is not a de Polignac number, because 25940101 - 2³ = 25940093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25940107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107070 + ... + 107311.

Almost surely, 2^25940101 is an apocalyptic number.

It is an amenable number.

25940101 is a deficient number, since it is larger than the sum of its proper divisors (2572705).

25940101 is a wasteful number, since it uses less digits than its factorization.

25940101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214403 (or 214392 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 25940101 is about 5093.1425466013. The cubic root of 25940101 is about 296.0219312031.

The spelling of 25940101 in words is "twenty-five million, nine hundred forty thousand, one hundred one".