52273381 has 2 divisors, whose sum is σ = 52273382. Its totient is φ = 52273380.

The previous prime is 52273369. The next prime is 52273391. The reversal of 52273381 is 18337225.

52273381 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 can be written as a sum of positive squares in only one way, i.e., 52056225 + 217156 = 7215^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 52273381 - 2¹³ = 52265189 is a prime.

It is a super-2 number, since 2×52273381² = 5465012722342322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52273301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26136690 + 26136691.

It is an arithmetic number, because the mean of its divisors is an integer number (26136691).

Almost surely, 2^52273381 is an apocalyptic number.

It is an amenable number.

52273381 is a deficient number, since it is larger than the sum of its proper divisors (1).

52273381 is an equidigital number, since it uses as much as digits as its factorization.

52273381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 52273381 is about 7230.0332641005. The cubic root of 52273381 is about 373.9040737902.

The spelling of 52273381 in words is "fifty-two million, two hundred seventy-three thousand, three hundred eighty-one".