612065497 has 4 divisors (see below), whose sum is σ = 612149220. Its totient is φ = 611981776.

The previous prime is 612065491. The next prime is 612065533. The reversal of 612065497 is 794560216.

612065497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 505170576 + 106894921 = 22476^2 + 10339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612065497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612065491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29722 + ... + 45907.

It is an arithmetic number, because the mean of its divisors is an integer number (153037305).

Almost surely, 2^612065497 is an apocalyptic number.

It is an amenable number.

612065497 is a deficient number, since it is larger than the sum of its proper divisors (83723).

612065497 is an equidigital number, since it uses as much as digits as its factorization.

612065497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83722.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 612065497 is about 24739.9574979425. The cubic root of 612065497 is about 849.0487614677.

It can be divided in two parts, 6120 and 65497, that added together give a palindrome (71617).

The spelling of 612065497 in words is "six hundred twelve million, sixty-five thousand, four hundred ninety-seven".