612254543 has 2 divisors, whose sum is σ = 612254544. Its totient is φ = 612254542.

The previous prime is 612254521. The next prime is 612254567. The reversal of 612254543 is 345452216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612254543 - 2⁸ = 612254287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612254593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306127271 + 306127272.

It is an arithmetic number, because the mean of its divisors is an integer number (306127272).

Almost surely, 2^612254543 is an apocalyptic number.

612254543 is a deficient number, since it is larger than the sum of its proper divisors (1).

612254543 is an equidigital number, since it uses as much as digits as its factorization.

612254543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 612254543 is about 24743.7778643440. Note that the first 3 decimals coincide. The cubic root of 612254543 is about 849.1361664652.

The spelling of 612254543 in words is "six hundred twelve million, two hundred fifty-four thousand, five hundred forty-three".