42351382 has 4 divisors (see below), whose sum is σ = 63527076. Its totient is φ = 21175690.

The previous prime is 42351377. The next prime is 42351389. The reversal of 42351382 is 28315324.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42351382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10587844 + ... + 10587847.

It is an arithmetic number, because the mean of its divisors is an integer number (15881769).

Almost surely, 2^42351382 is an apocalyptic number.

42351382 is a deficient number, since it is larger than the sum of its proper divisors (21175694).

42351382 is a wasteful number, since it uses less digits than its factorization.

42351382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21175693.

The product of its digits is 5760, while the sum is 28.

The square root of 42351382 is about 6507.7939426506. The cubic root of 42351382 is about 348.5693491929.

The spelling of 42351382 in words is "forty-two million, three hundred fifty-one thousand, three hundred eighty-two".