302421043 has 16 divisors (see below), whose sum is σ = 340300800. Its totient is φ = 267347520.

The previous prime is 302421011. The next prime is 302421059. The reversal of 302421043 is 340124203.

It is a cyclic number.

It is not a de Polignac number, because 302421043 - 2⁵ = 302421011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302421043.

It is not an unprimeable number, because it can be changed into a prime (302421073) 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 15 ways as a sum of consecutive naturals, for example, 9478 + ... + 26356.

It is an arithmetic number, because the mean of its divisors is an integer number (21268800).

Almost surely, 2^302421043 is an apocalyptic number.

302421043 is a deficient number, since it is larger than the sum of its proper divisors (37879757).

302421043 is a wasteful number, since it uses less digits than its factorization.

302421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16962.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 302421043 is about 17390.2571286338. The cubic root of 302421043 is about 671.2289340487.

Adding to 302421043 its reverse (340124203), we get a palindrome (642545246).

The spelling of 302421043 in words is "three hundred two million, four hundred twenty-one thousand, forty-three".