210242315 has 48 divisors (see below), whose sum is σ = 295293600. Its totient is φ = 142636032.

The previous prime is 210242309. The next prime is 210242317. The reversal of 210242315 is 513242012.

It is not a de Polignac number, because 210242315 - 2¹⁶ = 210176779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210242317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3137912 + ... + 3137978.

It is an arithmetic number, because the mean of its divisors is an integer number (6151950).

Almost surely, 2^210242315 is an apocalyptic number.

210242315 is a deficient number, since it is larger than the sum of its proper divisors (85051285).

210242315 is a wasteful number, since it uses less digits than its factorization.

210242315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210242315 is about 14499.7349975784. The cubic root of 210242315 is about 594.6207266770.

Adding to 210242315 its reverse (513242012), we get a palindrome (723484327).

The spelling of 210242315 in words is "two hundred ten million, two hundred forty-two thousand, three hundred fifteen".