213378250 has 32 divisors (see below), whose sum is σ = 405437760. Its totient is φ = 84070800.

The previous prime is 213378241. The next prime is 213378257. The reversal of 213378250 is 52873312.

It is not an unprimeable number, because it can be changed into a prime (213378257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10381 + ... + 23119.

It is an arithmetic number, because the mean of its divisors is an integer number (12669930).

Almost surely, 2^213378250 is an apocalyptic number.

213378250 is a deficient number, since it is larger than the sum of its proper divisors (192059510).

213378250 is a wasteful number, since it uses less digits than its factorization.

213378250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823 (or 12813 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 213378250 is about 14607.4724028492. The cubic root of 213378250 is about 597.5625652988.

The spelling of 213378250 in words is "two hundred thirteen million, three hundred seventy-eight thousand, two hundred fifty".