213456350 has 12 divisors (see below), whose sum is σ = 397028904. Its totient is φ = 85382520.

The previous prime is 213456319. The next prime is 213456379. The reversal of 213456350 is 53654312.

It is a super-2 number, since 2×213456350² = 91127226710645000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2134514 + ... + 2134613.

It is an arithmetic number, because the mean of its divisors is an integer number (33085742).

Almost surely, 2^213456350 is an apocalyptic number.

213456350 is a deficient number, since it is larger than the sum of its proper divisors (183572554).

213456350 is a wasteful number, since it uses less digits than its factorization.

213456350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269139 (or 4269134 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 213456350 is about 14610.1454475991. The cubic root of 213456350 is about 597.6354623624.

The spelling of 213456350 in words is "two hundred thirteen million, four hundred fifty-six thousand, three hundred fifty".