213282494 has 32 divisors (see below), whose sum is σ = 338637024. Its totient is φ = 100638720.

The previous prime is 213282491. The next prime is 213282497. The reversal of 213282494 is 494282312.

It is an interprime number because it is at equal distance from previous prime (213282491) and next prime (213282497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213282491) 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, 332414 + ... + 333054.

It is an arithmetic number, because the mean of its divisors is an integer number (10582407).

Almost surely, 2^213282494 is an apocalyptic number.

213282494 is a deficient number, since it is larger than the sum of its proper divisors (125354530).

213282494 is a wasteful number, since it uses less digits than its factorization.

213282494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its digits is 27648, while the sum is 35.

The square root of 213282494 is about 14604.1943975010. The cubic root of 213282494 is about 597.4731641805.

The spelling of 213282494 in words is "two hundred thirteen million, two hundred eighty-two thousand, four hundred ninety-four".