213436250 has 20 divisors (see below), whose sum is σ = 400067250. Its totient is φ = 85374000.

The previous prime is 213436213. The next prime is 213436277. The reversal of 213436250 is 52634312.

It can be written as a sum of positive squares in 5 ways, for example, as 18861649 + 194574601 = 4343^2 + 13949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84125 + ... + 86624.

Almost surely, 2^213436250 is an apocalyptic number.

213436250 is a deficient number, since it is larger than the sum of its proper divisors (186631000).

213436250 is an equidigital number, since it uses as much as digits as its factorization.

213436250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170771 (or 170756 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 213436250 is about 14609.4575532427. The cubic root of 213436250 is about 597.6167031018.

The spelling of 213436250 in words is "two hundred thirteen million, four hundred thirty-six thousand, two hundred fifty".