42015703 has 2 divisors, whose sum is σ = 42015704. Its totient is φ = 42015702.

The previous prime is 42015691. The next prime is 42015709. The reversal of 42015703 is 30751024.

42015703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42015703 - 2⁵ = 42015671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42015709) 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, 21007851 + 21007852.

It is an arithmetic number, because the mean of its divisors is an integer number (21007852).

Almost surely, 2^42015703 is an apocalyptic number.

42015703 is a deficient number, since it is larger than the sum of its proper divisors (1).

42015703 is an equidigital number, since it uses as much as digits as its factorization.

42015703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 42015703 is about 6481.9520979409. The cubic root of 42015703 is about 347.6459797626.

Adding to 42015703 its reverse (30751024), we get a palindrome (72766727).

The spelling of 42015703 in words is "forty-two million, fifteen thousand, seven hundred three".