42507683 has 2 divisors, whose sum is σ = 42507684. Its totient is φ = 42507682.

The previous prime is 42507637. The next prime is 42507691. The reversal of 42507683 is 38670524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42507683 is a prime.

It is a super-2 number, since 2×42507683² = 3613806228056978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42507613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21253841 + 21253842.

It is an arithmetic number, because the mean of its divisors is an integer number (21253842).

Almost surely, 2^42507683 is an apocalyptic number.

42507683 is a deficient number, since it is larger than the sum of its proper divisors (1).

42507683 is an equidigital number, since it uses as much as digits as its factorization.

42507683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 42507683 is about 6519.7916377749. The cubic root of 42507683 is about 348.9976299979.

The spelling of 42507683 in words is "forty-two million, five hundred seven thousand, six hundred eighty-three".