25103983 has 2 divisors, whose sum is σ = 25103984. Its totient is φ = 25103982.

The previous prime is 25103977. The next prime is 25103993. The reversal of 25103983 is 38930152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25103983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25103933) 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 as a sum of consecutive naturals, namely, 12551991 + 12551992.

It is an arithmetic number, because the mean of its divisors is an integer number (12551992).

Almost surely, 2^25103983 is an apocalyptic number.

25103983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25103983 is an equidigital number, since it uses as much as digits as its factorization.

25103983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 25103983 is about 5010.3875099637. The cubic root of 25103983 is about 292.8066105724.

The spelling of 25103983 in words is "twenty-five million, one hundred three thousand, nine hundred eighty-three".