25140283 has 6 divisors (see below), whose sum is σ = 29244876. Its totient is φ = 21548772.

The previous prime is 25140281. The next prime is 25140289. The reversal of 25140283 is 38204152.

It is not a de Polignac number, because 25140283 - 2¹ = 25140281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25140281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256485 + ... + 256582.

It is an arithmetic number, because the mean of its divisors is an integer number (4874146).

Almost surely, 2^25140283 is an apocalyptic number.

25140283 is a deficient number, since it is larger than the sum of its proper divisors (4104593).

25140283 is an equidigital number, since it uses as much as digits as its factorization.

25140283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513081 (or 513074 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25140283 is about 5014.0086757005. The cubic root of 25140283 is about 292.9476739913.

The spelling of 25140283 in words is "twenty-five million, one hundred forty thousand, two hundred eighty-three".