42086501 has 16 divisors (see below), whose sum is σ = 45946560. Its totient is φ = 38413440.

The previous prime is 42086497. The next prime is 42086563. The reversal of 42086501 is 10568024.

It is not a de Polignac number, because 42086501 - 2² = 42086497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42086591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91865 + ... + 92321.

It is an arithmetic number, because the mean of its divisors is an integer number (2871660).

Almost surely, 2^42086501 is an apocalyptic number.

It is an amenable number.

42086501 is a deficient number, since it is larger than the sum of its proper divisors (3860059).

42086501 is a wasteful number, since it uses less digits than its factorization.

42086501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 42086501 is about 6487.4109627801. The cubic root of 42086501 is about 347.8411355960.

The spelling of 42086501 in words is "forty-two million, eighty-six thousand, five hundred one".