42458783 has 2 divisors, whose sum is σ = 42458784. Its totient is φ = 42458782.

The previous prime is 42458723. The next prime is 42458807. The reversal of 42458783 is 38785424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42458783 - 2²⁰ = 41410207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42458783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42458723) 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, 21229391 + 21229392.

It is an arithmetic number, because the mean of its divisors is an integer number (21229392).

Almost surely, 2^42458783 is an apocalyptic number.

42458783 is a deficient number, since it is larger than the sum of its proper divisors (1).

42458783 is an equidigital number, since it uses as much as digits as its factorization.

42458783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 42458783 is about 6516.0404387941. The cubic root of 42458783 is about 348.8637519849.

The spelling of 42458783 in words is "forty-two million, four hundred fifty-eight thousand, seven hundred eighty-three".