25299983 has 2 divisors, whose sum is σ = 25299984. Its totient is φ = 25299982.

The previous prime is 25299979. The next prime is 25299991. The reversal of 25299983 is 38999252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25299983 - 2² = 25299979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25299913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12649991 + 12649992.

It is an arithmetic number, because the mean of its divisors is an integer number (12649992).

Almost surely, 2^25299983 is an apocalyptic number.

25299983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25299983 is an equidigital number, since it uses as much as digits as its factorization.

25299983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 25299983 is about 5029.9088460925. The cubic root of 25299983 is about 293.5666676776.

The spelling of 25299983 in words is "twenty-five million, two hundred ninety-nine thousand, nine hundred eighty-three".