612406233 has 24 divisors (see below), whose sum is σ = 933140000. Its totient is φ = 385953984.

The previous prime is 612406231. The next prime is 612406237. The reversal of 612406233 is 332604216.

612406233 is a `hidden beast` number, since 612 + 40 + 6 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 612406233 - 2¹ = 612406231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612406197 and 612406206.

It is not an unprimeable number, because it can be changed into a prime (612406231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81741 + ... + 88917.

Almost surely, 2^612406233 is an apocalyptic number.

It is an amenable number.

612406233 is a deficient number, since it is larger than the sum of its proper divisors (320733767).

612406233 is a wasteful number, since it uses less digits than its factorization.

612406233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701 (or 7698 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 612406233 is about 24746.8428895486. The cubic root of 612406233 is about 849.2062869897.

The spelling of 612406233 in words is "six hundred twelve million, four hundred six thousand, two hundred thirty-three".