612555043 has 2 divisors, whose sum is σ = 612555044. Its totient is φ = 612555042.

The previous prime is 612555037. The next prime is 612555061. The reversal of 612555043 is 340555216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612555043 - 2⁵ = 612555011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612554996 and 612555014.

It is not a weakly prime, because it can be changed into another prime (612555943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306277521 + 306277522.

It is an arithmetic number, because the mean of its divisors is an integer number (306277522).

Almost surely, 2^612555043 is an apocalyptic number.

612555043 is a deficient number, since it is larger than the sum of its proper divisors (1).

612555043 is an equidigital number, since it uses as much as digits as its factorization.

612555043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 612555043 is about 24749.8493530769. The cubic root of 612555043 is about 849.2750649492.

The spelling of 612555043 in words is "six hundred twelve million, five hundred fifty-five thousand, forty-three".