42046351 has 4 divisors (see below), whose sum is σ = 42454672. Its totient is φ = 41638032.

The previous prime is 42046349. The next prime is 42046357. The reversal of 42046351 is 15364024.

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 42046351 - 2¹ = 42046349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42046357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204006 + ... + 204211.

It is an arithmetic number, because the mean of its divisors is an integer number (10613668).

Almost surely, 2^42046351 is an apocalyptic number.

42046351 is a deficient number, since it is larger than the sum of its proper divisors (408321).

42046351 is a wasteful number, since it uses less digits than its factorization.

42046351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408320.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42046351 is about 6484.3157696090. The cubic root of 42046351 is about 347.7304883600.

The spelling of 42046351 in words is "forty-two million, forty-six thousand, three hundred fifty-one".