25067431 has 2 divisors, whose sum is σ = 25067432. Its totient is φ = 25067430.

The previous prime is 25067429. The next prime is 25067443. The reversal of 25067431 is 13476052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25067431 - 2¹ = 25067429 is a prime.

It is a super-2 number, since 2×25067431² = 1256752193879522, which contains 22 as substring.

Together with 25067429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25067431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25067461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12533715 + 12533716.

It is an arithmetic number, because the mean of its divisors is an integer number (12533716).

Almost surely, 2^25067431 is an apocalyptic number.

25067431 is a deficient number, since it is larger than the sum of its proper divisors (1).

25067431 is an equidigital number, since it uses as much as digits as its factorization.

25067431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 25067431 is about 5006.7385591820. The cubic root of 25067431 is about 292.6644304002.

The spelling of 25067431 in words is "twenty-five million, sixty-seven thousand, four hundred thirty-one".