25423507 has 2 divisors, whose sum is σ = 25423508. Its totient is φ = 25423506.

The previous prime is 25423471. The next prime is 25423529. The reversal of 25423507 is 70532452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25423507 - 2¹⁹ = 24899219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25423537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12711753 + 12711754.

It is an arithmetic number, because the mean of its divisors is an integer number (12711754).

Almost surely, 2^25423507 is an apocalyptic number.

25423507 is a deficient number, since it is larger than the sum of its proper divisors (1).

25423507 is an equidigital number, since it uses as much as digits as its factorization.

25423507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25423507 is about 5042.1728451135. The cubic root of 25423507 is about 294.0436597354.

Adding to 25423507 its reverse (70532452), we get a palindrome (95955959).

The spelling of 25423507 in words is "twenty-five million, four hundred twenty-three thousand, five hundred seven".