612716061 has 4 divisors (see below), whose sum is σ = 816954752. Its totient is φ = 408477372.

The previous prime is 612716053. The next prime is 612716063. The reversal of 612716061 is 160617216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 612716061 - 2³ = 612716053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612716063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102119341 + ... + 102119346.

It is an arithmetic number, because the mean of its divisors is an integer number (204238688).

Almost surely, 2^612716061 is an apocalyptic number.

It is an amenable number.

612716061 is a deficient number, since it is larger than the sum of its proper divisors (204238691).

612716061 is a wasteful number, since it uses less digits than its factorization.

612716061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204238690.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 612716061 is about 24753.1020480262. The cubic root of 612716061 is about 849.3494727343.

The spelling of 612716061 in words is "six hundred twelve million, seven hundred sixteen thousand, sixty-one".