42999213 has 16 divisors (see below), whose sum is σ = 60235776. Its totient is φ = 27231600.

The previous prime is 42999191. The next prime is 42999241. The reversal of 42999213 is 31299924.

It is not a de Polignac number, because 42999213 - 2⁵ = 42999181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42999293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8356 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (3764736).

Almost surely, 2^42999213 is an apocalyptic number.

It is an amenable number.

42999213 is a deficient number, since it is larger than the sum of its proper divisors (17236563).

42999213 is a wasteful number, since it uses less digits than its factorization.

42999213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304.

The product of its digits is 34992, while the sum is 39.

The square root of 42999213 is about 6557.3785158400. The cubic root of 42999213 is about 350.3376686812.

It can be divided in two parts, 4299921 and 3, that added together give a palindrome (4299924).

The spelling of 42999213 in words is "forty-two million, nine hundred ninety-nine thousand, two hundred thirteen".