25338871 has 2 divisors, whose sum is σ = 25338872. Its totient is φ = 25338870.

The previous prime is 25338853. The next prime is 25338881. The reversal of 25338871 is 17883352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25338871 - 2¹⁹ = 24814583 is a prime.

It is equal to p_1585756 and since 25338871 and 1585756 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25338871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25338881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12669435 + 12669436.

It is an arithmetic number, because the mean of its divisors is an integer number (12669436).

Almost surely, 2^25338871 is an apocalyptic number.

25338871 is a deficient number, since it is larger than the sum of its proper divisors (1).

25338871 is an equidigital number, since it uses as much as digits as its factorization.

25338871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 25338871 is about 5033.7730381891. The cubic root of 25338871 is about 293.7170021180.

The spelling of 25338871 in words is "twenty-five million, three hundred thirty-eight thousand, eight hundred seventy-one".