42064501 has 4 divisors (see below), whose sum is σ = 42099904. Its totient is φ = 42029100.

The previous prime is 42064487. The next prime is 42064513. The reversal of 42064501 is 10546024.

42064501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42064501 - 2¹⁷ = 41933429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42064531) 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 in 3 ways as a sum of consecutive naturals, for example, 15855 + ... + 18316.

It is an arithmetic number, because the mean of its divisors is an integer number (10524976).

Almost surely, 2^42064501 is an apocalyptic number.

42064501 is the 2901-st centered decagonal number.

It is an amenable number.

42064501 is a deficient number, since it is larger than the sum of its proper divisors (35403).

42064501 is a wasteful number, since it uses less digits than its factorization.

42064501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35402.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42064501 is about 6485.7151494650. The cubic root of 42064501 is about 347.7805156934.

The spelling of 42064501 in words is "forty-two million, sixty-four thousand, five hundred one".