213002093 has 4 divisors (see below), whose sum is σ = 218197308. Its totient is φ = 207806880.

The previous prime is 213002089. The next prime is 213002123. The reversal of 213002093 is 390200312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100260169 + 112741924 = 10013^2 + 10618^2 .

It is a cyclic number.

It is not a de Polignac number, because 213002093 - 2² = 213002089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213002033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597546 + ... + 2597627.

It is an arithmetic number, because the mean of its divisors is an integer number (54549327).

Almost surely, 2^213002093 is an apocalyptic number.

It is an amenable number.

213002093 is a deficient number, since it is larger than the sum of its proper divisors (5195215).

213002093 is an equidigital number, since it uses as much as digits as its factorization.

213002093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195214.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 213002093 is about 14594.5912241488. The cubic root of 213002093 is about 597.2112180936.

The spelling of 213002093 in words is "two hundred thirteen million, two thousand, ninety-three".