42435017 has 4 divisors (see below), whose sum is σ = 42571776. Its totient is φ = 42298260.

The previous prime is 42435013. The next prime is 42435047. The reversal of 42435017 is 71053424.

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 42435017 - 2² = 42435013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42435013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67913 + ... + 68534.

It is an arithmetic number, because the mean of its divisors is an integer number (10642944).

Almost surely, 2^42435017 is an apocalyptic number.

It is an amenable number.

42435017 is a deficient number, since it is larger than the sum of its proper divisors (136759).

42435017 is a wasteful number, since it uses less digits than its factorization.

42435017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136758.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42435017 is about 6514.2165300211. The cubic root of 42435017 is about 348.7986485066.

The spelling of 42435017 in words is "forty-two million, four hundred thirty-five thousand, seventeen".