213613064 has 32 divisors (see below), whose sum is σ = 472512000. Its totient is φ = 88594560.

The previous prime is 213613027. The next prime is 213613079. The reversal of 213613064 is 460316312.

213613064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213613064² = 91261082222936192, which contains 22 as substring.

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, 59789 + ... + 63260.

It is an arithmetic number, because the mean of its divisors is an integer number (14766000).

Almost surely, 2^213613064 is an apocalyptic number.

It is an amenable number.

213613064 is an abundant number, since it is smaller than the sum of its proper divisors (258898936).

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

213613064 is a wasteful number, since it uses less digits than its factorization.

213613064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123093 (or 123089 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 213613064 is about 14615.5076545428. The cubic root of 213613064 is about 597.7816826284.

Adding to 213613064 its reverse (460316312), we get a palindrome (673929376).

The spelling of 213613064 in words is "two hundred thirteen million, six hundred thirteen thousand, sixty-four".