612841 has 2 divisors, whose sum is σ = 612842. Its totient is φ = 612840.

The previous prime is 612823. The next prime is 612847. The reversal of 612841 is 148216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 177241 = 660^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 612841 - 2⁵ = 612809 is a prime.

It is not a weakly prime, because it can be changed into another prime (612847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306420 + 306421.

It is an arithmetic number, because the mean of its divisors is an integer number (306421).

2⁶¹²⁸⁴¹ is an apocalyptic number.

It is an amenable number.

612841 is a deficient number, since it is larger than the sum of its proper divisors (1).

612841 is an equidigital number, since it uses as much as digits as its factorization.

612841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 612841 is about 782.8416187199. The cubic root of 612841 is about 84.9407199126.

The spelling of 612841 in words is "six hundred twelve thousand, eight hundred forty-one".