25339471 has 2 divisors, whose sum is σ = 25339472. Its totient is φ = 25339470.

The previous prime is 25339453. The next prime is 25339499. The reversal of 25339471 is 17493352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25339471 - 2¹¹ = 25337423 is a prime.

It is a super-3 number, since 3×25339471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25339871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12669735 + 12669736.

It is an arithmetic number, because the mean of its divisors is an integer number (12669736).

Almost surely, 2^25339471 is an apocalyptic number.

25339471 is a deficient number, since it is larger than the sum of its proper divisors (1).

25339471 is an equidigital number, since it uses as much as digits as its factorization.

25339471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 25339471 is about 5033.8326352790. The cubic root of 25339471 is about 293.7193204114.

The spelling of 25339471 in words is "twenty-five million, three hundred thirty-nine thousand, four hundred seventy-one".