213094263 has 4 divisors (see below), whose sum is σ = 284125688. Its totient is φ = 142062840.

The previous prime is 213094249. The next prime is 213094319. The reversal of 213094263 is 362490312.

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

It is not a de Polignac number, because 213094263 - 2⁴ = 213094247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213094263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213094223) 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, 35515708 + ... + 35515713.

It is an arithmetic number, because the mean of its divisors is an integer number (71031422).

Almost surely, 2^213094263 is an apocalyptic number.

213094263 is a deficient number, since it is larger than the sum of its proper divisors (71031425).

213094263 is an equidigital number, since it uses as much as digits as its factorization.

213094263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71031424.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 213094263 is about 14597.7485592813. The cubic root of 213094263 is about 597.2973471693.

The spelling of 213094263 in words is "two hundred thirteen million, ninety-four thousand, two hundred sixty-three".