25542983 has 2 divisors, whose sum is σ = 25542984. Its totient is φ = 25542982.

The previous prime is 25542967. The next prime is 25543019. The reversal of 25542983 is 38924552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25542983 - 2⁴ = 25542967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25542383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12771491 + 12771492.

It is an arithmetic number, because the mean of its divisors is an integer number (12771492).

Almost surely, 2^25542983 is an apocalyptic number.

25542983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25542983 is an equidigital number, since it uses as much as digits as its factorization.

25542983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 25542983 is about 5054.0066284088. The cubic root of 25542983 is about 294.5035526392.

The spelling of 25542983 in words is "twenty-five million, five hundred forty-two thousand, nine hundred eighty-three".