612650273 has 2 divisors, whose sum is σ = 612650274. Its totient is φ = 612650272.

The previous prime is 612650261. The next prime is 612650327. The reversal of 612650273 is 372056216.

Together with next prime (612650327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530058529 + 82591744 = 23023^2 + 9088^2 .

It is a cyclic number.

It is not a de Polignac number, because 612650273 - 2⁴ = 612650257 is a prime.

It is not a weakly prime, because it can be changed into another prime (612650243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306325136 + 306325137.

It is an arithmetic number, because the mean of its divisors is an integer number (306325137).

Almost surely, 2^612650273 is an apocalyptic number.

It is an amenable number.

612650273 is a deficient number, since it is larger than the sum of its proper divisors (1).

612650273 is an equidigital number, since it uses as much as digits as its factorization.

612650273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 612650273 is about 24751.7731284044. The cubic root of 612650273 is about 849.3190731161.

The spelling of 612650273 in words is "six hundred twelve million, six hundred fifty thousand, two hundred seventy-three".