506901213 has 64 divisors (see below), whose sum is σ = 933703680. Its totient is φ = 264648384.

The previous prime is 506901193. The next prime is 506901229. The reversal of 506901213 is 312109605.

It is not a de Polignac number, because 506901213 - 2¹⁶ = 506835677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506901313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252070 + ... + 254072.

It is an arithmetic number, because the mean of its divisors is an integer number (14589120).

Almost surely, 2^506901213 is an apocalyptic number.

It is an amenable number.

506901213 is a deficient number, since it is larger than the sum of its proper divisors (426802467).

506901213 is a wasteful number, since it uses less digits than its factorization.

506901213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 506901213 is about 22514.4667491815. The cubic root of 506901213 is about 797.3355172880.

The spelling of 506901213 in words is "five hundred six million, nine hundred one thousand, two hundred thirteen".