25791983 has 6 divisors (see below), whose sum is σ = 30002976. Its totient is φ = 22107372.

The previous prime is 25791977. The next prime is 25792003. The reversal of 25791983 is 38919752.

It is not a de Polignac number, because 25791983 - 2¹⁶ = 25726447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25791383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263135 + ... + 263232.

It is an arithmetic number, because the mean of its divisors is an integer number (5000496).

Almost surely, 2^25791983 is an apocalyptic number.

25791983 is a deficient number, since it is larger than the sum of its proper divisors (4210993).

25791983 is an equidigital number, since it uses as much as digits as its factorization.

25791983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526381 (or 526374 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 25791983 is about 5078.5808056976. The cubic root of 25791983 is about 295.4574268982.

The spelling of 25791983 in words is "twenty-five million, seven hundred ninety-one thousand, nine hundred eighty-three".