213701516 has 24 divisors (see below), whose sum is σ = 431558400. Its totient is φ = 90695952.

The previous prime is 213701497. The next prime is 213701563. The reversal of 213701516 is 615107312.

213701516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34166 + ... + 39933.

It is an arithmetic number, because the mean of its divisors is an integer number (17981600).

Almost surely, 2^213701516 is an apocalyptic number.

It is an amenable number.

213701516 is an abundant number, since it is smaller than the sum of its proper divisors (217856884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213701516 is a wasteful number, since it uses less digits than its factorization.

213701516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74213 (or 74211 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 213701516 is about 14618.5333053628. The cubic root of 213701516 is about 597.8641802185.

Adding to 213701516 its reverse (615107312), we get a palindrome (828808828).

The spelling of 213701516 in words is "two hundred thirteen million, seven hundred one thousand, five hundred sixteen".