25135671 has 16 divisors (see below), whose sum is σ = 36787968. Its totient is φ = 15139200.

The previous prime is 25135661. The next prime is 25135679. The reversal of 25135671 is 17653152.

It is not a de Polignac number, because 25135671 - 2¹¹ = 25133623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3231 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (2299248).

Almost surely, 2^25135671 is an apocalyptic number.

25135671 is a deficient number, since it is larger than the sum of its proper divisors (11652297).

25135671 is a wasteful number, since it uses less digits than its factorization.

25135671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742.

The product of its digits is 6300, while the sum is 30.

The square root of 25135671 is about 5013.5487431559. The cubic root of 25135671 is about 292.9297590869.

The spelling of 25135671 in words is "twenty-five million, one hundred thirty-five thousand, six hundred seventy-one".