42764539 has 2 divisors, whose sum is σ = 42764540. Its totient is φ = 42764538.

The previous prime is 42764483. The next prime is 42764551. The reversal of 42764539 is 93546724.

It is a happy number.

42764539 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 42764539 - 2¹⁵ = 42731771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42764569) 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, 21382269 + 21382270.

It is an arithmetic number, because the mean of its divisors is an integer number (21382270).

Almost surely, 2^42764539 is an apocalyptic number.

42764539 is a deficient number, since it is larger than the sum of its proper divisors (1).

42764539 is an equidigital number, since it uses as much as digits as its factorization.

42764539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 42764539 is about 6539.4601459142. The cubic root of 42764539 is about 349.6991673522.

The spelling of 42764539 in words is "forty-two million, seven hundred sixty-four thousand, five hundred thirty-nine".