612412771 has 2 divisors, whose sum is σ = 612412772. Its totient is φ = 612412770.

The previous prime is 612412729. The next prime is 612412799. The reversal of 612412771 is 177214216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612412771 - 2⁷ = 612412643 is a prime.

It is not a weakly prime, because it can be changed into another prime (612412711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306206385 + 306206386.

It is an arithmetic number, because the mean of its divisors is an integer number (306206386).

Almost surely, 2^612412771 is an apocalyptic number.

612412771 is a deficient number, since it is larger than the sum of its proper divisors (1).

612412771 is an equidigital number, since it uses as much as digits as its factorization.

612412771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 612412771 is about 24746.9749868545. The cubic root of 612412771 is about 849.2093089984.

Adding to 612412771 its reverse (177214216), we get a palindrome (789626987).

The spelling of 612412771 in words is "six hundred twelve million, four hundred twelve thousand, seven hundred seventy-one".