25344047 has 2 divisors, whose sum is σ = 25344048. Its totient is φ = 25344046.

The previous prime is 25344029. The next prime is 25344101. The reversal of 25344047 is 74044352.

25344047 is nontrivially palindromic in base 15.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25344047 - 2¹⁴ = 25327663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25344647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12672023 + 12672024.

It is an arithmetic number, because the mean of its divisors is an integer number (12672024).

Almost surely, 2^25344047 is an apocalyptic number.

25344047 is a deficient number, since it is larger than the sum of its proper divisors (1).

25344047 is an equidigital number, since it uses as much as digits as its factorization.

25344047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 25344047 is about 5034.2871392085. The cubic root of 25344047 is about 293.7370000585.

Adding to 25344047 its reverse (74044352), we get a palindrome (99388399).

The spelling of 25344047 in words is "twenty-five million, three hundred forty-four thousand, forty-seven".