42063291 has 24 divisors (see below), whose sum is σ = 62399376. Its totient is φ = 27293760.

The previous prime is 42063271. The next prime is 42063299. The reversal of 42063291 is 19236024.

42063291 is a `hidden beast` number, since 4 + 20 + 632 + 9 + 1 = 666.

It is not a de Polignac number, because 42063291 - 2⁷ = 42063163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42063299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77481 + ... + 78021.

It is an arithmetic number, because the mean of its divisors is an integer number (2599974).

Almost surely, 2^42063291 is an apocalyptic number.

42063291 is a deficient number, since it is larger than the sum of its proper divisors (20336085).

42063291 is a wasteful number, since it uses less digits than its factorization.

42063291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 42063291 is about 6485.6218668683. The cubic root of 42063291 is about 347.7771809856. Note that the first 3 decimals are identical.

The spelling of 42063291 in words is "forty-two million, sixty-three thousand, two hundred ninety-one".