612322293 has 16 divisors (see below), whose sum is σ = 891910656. Its totient is φ = 370579440.

The previous prime is 612322283. The next prime is 612322339. The reversal of 612322293 is 392223216.

It is not a de Polignac number, because 612322293 - 2¹² = 612318197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612322293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612322223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11230 + ... + 36752.

It is an arithmetic number, because the mean of its divisors is an integer number (55744416).

Almost surely, 2^612322293 is an apocalyptic number.

It is an amenable number.

612322293 is a deficient number, since it is larger than the sum of its proper divisors (279588363).

612322293 is a wasteful number, since it uses less digits than its factorization.

612322293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26264.

The product of its digits is 7776, while the sum is 30.

The square root of 612322293 is about 24745.1468575153. The cubic root of 612322293 is about 849.1674861475.

The spelling of 612322293 in words is "six hundred twelve million, three hundred twenty-two thousand, two hundred ninety-three".