612264239 has 4 divisors (see below), whose sum is σ = 618208656. Its totient is φ = 606319824.

The previous prime is 612264223. The next prime is 612264241. The reversal of 612264239 is 932462216.

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 612264239 - 2⁴ = 612264223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612264199 and 612264208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612264139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972054 + ... + 2972259.

It is an arithmetic number, because the mean of its divisors is an integer number (154552164).

Almost surely, 2^612264239 is an apocalyptic number.

612264239 is a deficient number, since it is larger than the sum of its proper divisors (5944417).

612264239 is a wasteful number, since it uses less digits than its factorization.

612264239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944416.

The product of its digits is 31104, while the sum is 35.

The square root of 612264239 is about 24743.9737916124. The cubic root of 612264239 is about 849.1406489041.

The spelling of 612264239 in words is "six hundred twelve million, two hundred sixty-four thousand, two hundred thirty-nine".