506263213 has 4 divisors (see below), whose sum is σ = 536043420. Its totient is φ = 476483008.

The previous prime is 506263211. The next prime is 506263259. The reversal of 506263213 is 312362605.

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 410184009 + 96079204 = 20253^2 + 9802^2 .

It is a cyclic number.

It is not a de Polignac number, because 506263213 - 2¹ = 506263211 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 (506263211) 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, 14890078 + ... + 14890111.

It is an arithmetic number, because the mean of its divisors is an integer number (134010855).

Almost surely, 2^506263213 is an apocalyptic number.

It is an amenable number.

506263213 is a deficient number, since it is larger than the sum of its proper divisors (29780207).

506263213 is a wasteful number, since it uses less digits than its factorization.

506263213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29780206.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 506263213 is about 22500.2936203064. The cubic root of 506263213 is about 797.0008606082. Note that the first 3 decimals are identical.

The spelling of 506263213 in words is "five hundred six million, two hundred sixty-three thousand, two hundred thirteen".