25289783 has 2 divisors, whose sum is σ = 25289784. Its totient is φ = 25289782.

The previous prime is 25289777. The next prime is 25289791. The reversal of 25289783 is 38798252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25289783 - 2⁴ = 25289767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25289483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12644891 + 12644892.

It is an arithmetic number, because the mean of its divisors is an integer number (12644892).

Almost surely, 2^25289783 is an apocalyptic number.

25289783 is a deficient number, since it is larger than the sum of its proper divisors (1).

25289783 is an equidigital number, since it uses as much as digits as its factorization.

25289783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 25289783 is about 5028.8948090013. The cubic root of 25289783 is about 293.5272107011.

The spelling of 25289783 in words is "twenty-five million, two hundred eighty-nine thousand, seven hundred eighty-three".