25547323 has 2 divisors, whose sum is σ = 25547324. Its totient is φ = 25547322.

The previous prime is 25547321. The next prime is 25547329. The reversal of 25547323 is 32374552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25547323 - 2¹ = 25547321 is a prime.

Together with 25547321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25547321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12773661 + 12773662.

It is an arithmetic number, because the mean of its divisors is an integer number (12773662).

Almost surely, 2^25547323 is an apocalyptic number.

25547323 is a deficient number, since it is larger than the sum of its proper divisors (1).

25547323 is an equidigital number, since it uses as much as digits as its factorization.

25547323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 31.

The square root of 25547323 is about 5054.4359724899. The cubic root of 25547323 is about 294.5202313624.

The spelling of 25547323 in words is "twenty-five million, five hundred forty-seven thousand, three hundred twenty-three".