25204723 has 2 divisors, whose sum is σ = 25204724. Its totient is φ = 25204722.

The previous prime is 25204717. The next prime is 25204747. The reversal of 25204723 is 32740252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25204723 - 2⁹ = 25204211 is a prime.

It is not a weakly prime, because it can be changed into another prime (25204703) 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, 12602361 + 12602362.

It is an arithmetic number, because the mean of its divisors is an integer number (12602362).

Almost surely, 2^25204723 is an apocalyptic number.

25204723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25204723 is an equidigital number, since it uses as much as digits as its factorization.

25204723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25204723 is about 5020.4305592250. The cubic root of 25204723 is about 293.1977565905.

Adding to 25204723 its reverse (32740252), we get a palindrome (57944975).

The spelling of 25204723 in words is "twenty-five million, two hundred four thousand, seven hundred twenty-three".