612055091 has 2 divisors, whose sum is σ = 612055092. Its totient is φ = 612055090.

The previous prime is 612055069. The next prime is 612055111. The reversal of 612055091 is 190550216.

612055091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612055091 - 2¹⁰ = 612054067 is a prime.

It is a super-2 number, since 2×612055091² = 749222868838036562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612055021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306027545 + 306027546.

It is an arithmetic number, because the mean of its divisors is an integer number (306027546).

Almost surely, 2^612055091 is an apocalyptic number.

612055091 is a deficient number, since it is larger than the sum of its proper divisors (1).

612055091 is an equidigital number, since it uses as much as digits as its factorization.

612055091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 612055091 is about 24739.7471894925. The cubic root of 612055091 is about 849.0439497541.

The spelling of 612055091 in words is "six hundred twelve million, fifty-five thousand, ninety-one".