578272237 has 2 divisors, whose sum is σ = 578272238. Its totient is φ = 578272236.

The previous prime is 578272231. The next prime is 578272273. The reversal of 578272237 is 732272875.

Together with next prime (578272273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 574608841 + 3663396 = 23971^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 578272237 - 2¹⁹ = 577747949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 578272193 and 578272202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578272231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289136118 + 289136119.

It is an arithmetic number, because the mean of its divisors is an integer number (289136119).

Almost surely, 2^578272237 is an apocalyptic number.

It is an amenable number.

578272237 is a deficient number, since it is larger than the sum of its proper divisors (1).

578272237 is an equidigital number, since it uses as much as digits as its factorization.

578272237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 43.

The square root of 578272237 is about 24047.2916770267. The cubic root of 578272237 is about 833.1261778237.

The spelling of 578272237 in words is "five hundred seventy-eight million, two hundred seventy-two thousand, two hundred thirty-seven".