25934047 has 2 divisors, whose sum is σ = 25934048. Its totient is φ = 25934046.

The previous prime is 25934039. The next prime is 25934093. The reversal of 25934047 is 74043952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25934047 - 2³ = 25934039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25934347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12967023 + 12967024.

It is an arithmetic number, because the mean of its divisors is an integer number (12967024).

Almost surely, 2^25934047 is an apocalyptic number.

25934047 is a deficient number, since it is larger than the sum of its proper divisors (1).

25934047 is an equidigital number, since it uses as much as digits as its factorization.

25934047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 25934047 is about 5092.5481833754. The cubic root of 25934047 is about 295.9989005012.

Adding to 25934047 its reverse (74043952), we get a palindrome (99977999).

The spelling of 25934047 in words is "twenty-five million, nine hundred thirty-four thousand, forty-seven".