42253973 has 2 divisors, whose sum is σ = 42253974. Its totient is φ = 42253972.

The previous prime is 42253969. The next prime is 42254041. The reversal of 42253973 is 37935224.

42253973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22344529 + 19909444 = 4727^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 42253973 - 2² = 42253969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42253943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21126986 + 21126987.

It is an arithmetic number, because the mean of its divisors is an integer number (21126987).

Almost surely, 2^42253973 is an apocalyptic number.

It is an amenable number.

42253973 is a deficient number, since it is larger than the sum of its proper divisors (1).

42253973 is an equidigital number, since it uses as much as digits as its factorization.

42253973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 42253973 is about 6500.3056082003. The cubic root of 42253973 is about 348.3019052914.

The spelling of 42253973 in words is "forty-two million, two hundred fifty-three thousand, nine hundred seventy-three".