40625983 has 2 divisors, whose sum is σ = 40625984. Its totient is φ = 40625982.

The previous prime is 40625953. The next prime is 40625989. The reversal of 40625983 is 38952604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40625983 - 2⁵ = 40625951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40625989) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20312991 + 20312992.

It is an arithmetic number, because the mean of its divisors is an integer number (20312992).

Almost surely, 2^40625983 is an apocalyptic number.

40625983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40625983 is an equidigital number, since it uses as much as digits as its factorization.

40625983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 40625983 is about 6373.8515043888. The cubic root of 40625983 is about 343.7699894491.

The spelling of 40625983 in words is "forty million, six hundred twenty-five thousand, nine hundred eighty-three".