612237243 has 8 divisors (see below), whose sum is σ = 816552256. Its totient is φ = 408040200.

The previous prime is 612237233. The next prime is 612237251. The reversal of 612237243 is 342732216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612237243 - 2⁶ = 612237179 is a prime.

It is a super-3 number, since 3×612237243³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612237243.

It is not an unprimeable number, because it can be changed into a prime (612237233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16573 + ... + 38718.

It is an arithmetic number, because the mean of its divisors is an integer number (102069032).

Almost surely, 2^612237243 is an apocalyptic number.

612237243 is a deficient number, since it is larger than the sum of its proper divisors (204315013).

612237243 is a wasteful number, since it uses less digits than its factorization.

612237243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58985.

The product of its digits is 12096, while the sum is 30.

The square root of 612237243 is about 24743.4282790401. The cubic root of 612237243 is about 849.1281685966.

Adding to 612237243 its reverse (342732216), we get a palindrome (954969459).

It can be divided in two parts, 6122 and 37243, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 612237243 in words is "six hundred twelve million, two hundred thirty-seven thousand, two hundred forty-three".