42495471 has 6 divisors (see below), whose sum is σ = 61382360. Its totient is φ = 28330308.

The previous prime is 42495449. The next prime is 42495491. The reversal of 42495471 is 17459424.

It is a happy number.

It is not a de Polignac number, because 42495471 - 2¹⁰ = 42494447 is a prime.

It is a super-3 number, since 3×42495471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42495491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2360851 + ... + 2360868.

Almost surely, 2^42495471 is an apocalyptic number.

42495471 is a deficient number, since it is larger than the sum of its proper divisors (18886889).

42495471 is a wasteful number, since it uses less digits than its factorization.

42495471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721725 (or 4721722 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 42495471 is about 6518.8550375047. The cubic root of 42495471 is about 348.9642057088.

The spelling of 42495471 in words is "forty-two million, four hundred ninety-five thousand, four hundred seventy-one".