612650065 has 8 divisors (see below), whose sum is σ = 735329088. Its totient is φ = 490020720.

The previous prime is 612650039. The next prime is 612650069. The reversal of 612650065 is 560056216.

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

It is not a de Polignac number, because 612650065 - 2⁷ = 612649937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612650069) 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, 24934 + ... + 42976.

It is an arithmetic number, because the mean of its divisors is an integer number (91916136).

Almost surely, 2^612650065 is an apocalyptic number.

It is an amenable number.

612650065 is a deficient number, since it is larger than the sum of its proper divisors (122679023).

612650065 is a wasteful number, since it uses less digits than its factorization.

612650065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24839.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 612650065 is about 24751.7689266848. The cubic root of 612650065 is about 849.3189769990.

The spelling of 612650065 in words is "six hundred twelve million, six hundred fifty thousand, sixty-five".