25823507 has 2 divisors, whose sum is σ = 25823508. Its totient is φ = 25823506.

The previous prime is 25823491. The next prime is 25823509. The reversal of 25823507 is 70532852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25823507 - 2⁴ = 25823491 is a prime.

Together with 25823509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25823509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12911753 + 12911754.

It is an arithmetic number, because the mean of its divisors is an integer number (12911754).

Almost surely, 2^25823507 is an apocalyptic number.

25823507 is a deficient number, since it is larger than the sum of its proper divisors (1).

25823507 is an equidigital number, since it uses as much as digits as its factorization.

25823507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 25823507 is about 5081.6834808949. The cubic root of 25823507 is about 295.5777512105.

The spelling of 25823507 in words is "twenty-five million, eight hundred twenty-three thousand, five hundred seven".