213563039 has 4 divisors (see below), whose sum is σ = 213773640. Its totient is φ = 213352440.

The previous prime is 213563011. The next prime is 213563071. The reversal of 213563039 is 930365312.

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

It is a cyclic number.

It is not a de Polignac number, because 213563039 - 2¹⁶ = 213497503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213562996 and 213563014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213568039) 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, 103772 + ... + 105809.

It is an arithmetic number, because the mean of its divisors is an integer number (53443410).

Almost surely, 2^213563039 is an apocalyptic number.

213563039 is a deficient number, since it is larger than the sum of its proper divisors (210601).

213563039 is a wasteful number, since it uses less digits than its factorization.

213563039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210600.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 213563039 is about 14613.7961871651. The cubic root of 213563039 is about 597.7350151279.

The spelling of 213563039 in words is "two hundred thirteen million, five hundred sixty-three thousand, thirty-nine".