612467081 has 2 divisors, whose sum is σ = 612467082. Its totient is φ = 612467080.

The previous prime is 612467057. The next prime is 612467083. The reversal of 612467081 is 180764216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604373056 + 8094025 = 24584^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 612467081 - 2¹⁴ = 612450697 is a prime.

It is a super-2 number, since 2×612467081² = 750231850617321122, which contains 22 as substring.

Together with 612467083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612467083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306233540 + 306233541.

It is an arithmetic number, because the mean of its divisors is an integer number (306233541).

Almost surely, 2^612467081 is an apocalyptic number.

It is an amenable number.

612467081 is a deficient number, since it is larger than the sum of its proper divisors (1).

612467081 is an equidigital number, since it uses as much as digits as its factorization.

612467081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 612467081 is about 24748.0722683606. The cubic root of 612467081 is about 849.2344114546.

The spelling of 612467081 in words is "six hundred twelve million, four hundred sixty-seven thousand, eighty-one".