25714431 has 6 divisors (see below), whose sum is σ = 37143080. Its totient is φ = 17142948.

The previous prime is 25714411. The next prime is 25714433. The reversal of 25714431 is 13441752.

It is not a de Polignac number, because 25714431 - 2¹⁰ = 25713407 is a prime.

It is a super-2 number, since 2×25714431² = 1322463923307522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25714395 and 25714404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25714433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428571 + ... + 1428588.

Almost surely, 2^25714431 is an apocalyptic number.

25714431 is a deficient number, since it is larger than the sum of its proper divisors (11428649).

25714431 is a wasteful number, since it uses less digits than its factorization.

25714431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857165 (or 2857162 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 25714431 is about 5070.9398537155. The cubic root of 25714431 is about 295.1609999263.

The spelling of 25714431 in words is "twenty-five million, seven hundred fourteen thousand, four hundred thirty-one".