35042021 has 4 divisors (see below), whose sum is σ = 40048032. Its totient is φ = 30036012.

The previous prime is 35042011. The next prime is 35042027. The reversal of 35042021 is 12024053.

35042021 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 35042021 - 2²² = 30847717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35042027) 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, 2502995 + ... + 2503008.

It is an arithmetic number, because the mean of its divisors is an integer number (10012008).

Almost surely, 2^35042021 is an apocalyptic number.

It is an amenable number.

35042021 is a deficient number, since it is larger than the sum of its proper divisors (5006011).

35042021 is an equidigital number, since it uses as much as digits as its factorization.

35042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006010.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 35042021 is about 5919.6301404733. The cubic root of 35042021 is about 327.2374867381.

Adding to 35042021 its reverse (12024053), we get a palindrome (47066074).

The spelling of 35042021 in words is "thirty-five million, forty-two thousand, twenty-one".