42931495 has 8 divisors (see below), whose sum is σ = 52362720. Its totient is φ = 33781920.

The previous prime is 42931487. The next prime is 42931529. The reversal of 42931495 is 59413924.

42931495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42931495 - 2³ = 42931487 is a prime.

It is a super-3 number, since 3×42931495³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 70075 + ... + 70684.

It is an arithmetic number, because the mean of its divisors is an integer number (6545340).

Almost surely, 2^42931495 is an apocalyptic number.

42931495 is a deficient number, since it is larger than the sum of its proper divisors (9431225).

42931495 is a wasteful number, since it uses less digits than its factorization.

42931495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140825.

The product of its digits is 38880, while the sum is 37.

The square root of 42931495 is about 6552.2129849388. The cubic root of 42931495 is about 350.1536604198.

The spelling of 42931495 in words is "forty-two million, nine hundred thirty-one thousand, four hundred ninety-five".