42995471 has 4 divisors (see below), whose sum is σ = 43123392. Its totient is φ = 42867552.

The previous prime is 42995453. The next prime is 42995473. The reversal of 42995471 is 17459924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42995471 - 2¹⁴ = 42979087 is a prime.

It is a super-3 number, since 3×42995471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42995473) 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, 63455 + ... + 64128.

It is an arithmetic number, because the mean of its divisors is an integer number (10780848).

Almost surely, 2^42995471 is an apocalyptic number.

42995471 is a deficient number, since it is larger than the sum of its proper divisors (127921).

42995471 is a wasteful number, since it uses less digits than its factorization.

42995471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127920.

The product of its digits is 90720, while the sum is 41.

The square root of 42995471 is about 6557.0931821959. The cubic root of 42995471 is about 350.3275056922.

The spelling of 42995471 in words is "forty-two million, nine hundred ninety-five thousand, four hundred seventy-one".