612111041 has 2 divisors, whose sum is σ = 612111042. Its totient is φ = 612111040.

The previous prime is 612111037. The next prime is 612111043. The reversal of 612111041 is 140111216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427042225 + 185068816 = 20665^2 + 13604^2 .

It is a cyclic number.

It is not a de Polignac number, because 612111041 - 2² = 612111037 is a prime.

Together with 612111043, 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 (612111043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306055520 + 306055521.

It is an arithmetic number, because the mean of its divisors is an integer number (306055521).

Almost surely, 2^612111041 is an apocalyptic number.

It is an amenable number.

612111041 is a deficient number, since it is larger than the sum of its proper divisors (1).

612111041 is an equidigital number, since it uses as much as digits as its factorization.

612111041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 612111041 is about 24740.8779351097. The cubic root of 612111041 is about 849.0698202802.

Adding to 612111041 its reverse (140111216), we get a palindrome (752222257).

The spelling of 612111041 in words is "six hundred twelve million, one hundred eleven thousand, forty-one".