612363213 has 48 divisors (see below), whose sum is σ = 1139671680. Its totient is φ = 318098880.

The previous prime is 612363211. The next prime is 612363223. The reversal of 612363213 is 312363216.

It is a happy number.

612363213 is a `hidden beast` number, since 6 + 1 + 23 + 632 + 1 + 3 = 666.

It is not a de Polignac number, because 612363213 - 2¹ = 612363211 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 (612363211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9481 + ... + 36257.

It is an arithmetic number, because the mean of its divisors is an integer number (23743160).

Almost surely, 2^612363213 is an apocalyptic number.

612363213 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

612363213 is a deficient number, since it is larger than the sum of its proper divisors (527308467).

612363213 is a wasteful number, since it uses less digits than its factorization.

612363213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26815 (or 26798 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 612363213 is about 24745.9736724987. The cubic root of 612363213 is about 849.1864016543.

The spelling of 612363213 in words is "six hundred twelve million, three hundred sixty-three thousand, two hundred thirteen".