25540283 has 2 divisors, whose sum is σ = 25540284. Its totient is φ = 25540282.

The previous prime is 25540261. The next prime is 25540301. The reversal of 25540283 is 38204552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25540283 - 2¹⁶ = 25474747 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25540243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12770141 + 12770142.

It is an arithmetic number, because the mean of its divisors is an integer number (12770142).

Almost surely, 2^25540283 is an apocalyptic number.

25540283 is a deficient number, since it is larger than the sum of its proper divisors (1).

25540283 is an equidigital number, since it uses as much as digits as its factorization.

25540283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 25540283 is about 5053.7395065436. The cubic root of 25540283 is about 294.4931755216.

The spelling of 25540283 in words is "twenty-five million, five hundred forty thousand, two hundred eighty-three".