25936429 has 12 divisors (see below), whose sum is σ = 27132732. Its totient is φ = 24790080.

The previous prime is 25936423. The next prime is 25936447. The reversal of 25936429 is 92463952.

It can be written as a sum of positive squares in 2 ways, for example, as 21622500 + 4313929 = 4650^2 + 2077^2 .

It is not a de Polignac number, because 25936429 - 2⁷ = 25936301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25936391 and 25936400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25936423) 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, 131559 + ... + 131755.

It is an arithmetic number, because the mean of its divisors is an integer number (2261061).

Almost surely, 2^25936429 is an apocalyptic number.

It is an amenable number.

25936429 is a deficient number, since it is larger than the sum of its proper divisors (1196303).

25936429 is a wasteful number, since it uses less digits than its factorization.

25936429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 365 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 25936429 is about 5092.7820491358. The cubic root of 25936429 is about 296.0079625628.

The spelling of 25936429 in words is "twenty-five million, nine hundred thirty-six thousand, four hundred twenty-nine".