210302942 has 4 divisors (see below), whose sum is σ = 315454416. Its totient is φ = 105151470.

The previous prime is 210302941. The next prime is 210303013. The reversal of 210302942 is 249203012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210302941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52575734 + ... + 52575737.

It is an arithmetic number, because the mean of its divisors is an integer number (78863604).

Almost surely, 2^210302942 is an apocalyptic number.

210302942 is a deficient number, since it is larger than the sum of its proper divisors (105151474).

210302942 is a wasteful number, since it uses less digits than its factorization.

210302942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105151473.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 210302942 is about 14501.8254712984. The cubic root of 210302942 is about 594.6778775668.

Adding to 210302942 its reverse (249203012), we get a palindrome (459505954).

The spelling of 210302942 in words is "two hundred ten million, three hundred two thousand, nine hundred forty-two".