213292045 has 8 divisors (see below), whose sum is σ = 262193400. Its totient is φ = 166471680.

The previous prime is 213292033. The next prime is 213292049. The reversal of 213292045 is 540292312.

It can be written as a sum of positive squares in 4 ways, for example, as 36348841 + 176943204 = 6029^2 + 13302^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213292045 - 2²³ = 204903437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213292049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520020 + ... + 520429.

It is an arithmetic number, because the mean of its divisors is an integer number (32774175).

Almost surely, 2^213292045 is an apocalyptic number.

It is an amenable number.

213292045 is a deficient number, since it is larger than the sum of its proper divisors (48901355).

213292045 is a wasteful number, since it uses less digits than its factorization.

213292045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040495.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 213292045 is about 14604.5213889398. The cubic root of 213292045 is about 597.4820825261.

The spelling of 213292045 in words is "two hundred thirteen million, two hundred ninety-two thousand, forty-five".