52522237 has 2 divisors, whose sum is σ = 52522238. Its totient is φ = 52522236.

The previous prime is 52522229. The next prime is 52522241. The reversal of 52522237 is 73222525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 3606201 = 6994^2 + 1899^2 .

It is a cyclic number.

It is not a de Polignac number, because 52522237 - 2³ = 52522229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52522207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26261118 + 26261119.

It is an arithmetic number, because the mean of its divisors is an integer number (26261119).

Almost surely, 2^52522237 is an apocalyptic number.

It is an amenable number.

52522237 is a deficient number, since it is larger than the sum of its proper divisors (1).

52522237 is an equidigital number, since it uses as much as digits as its factorization.

52522237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 28.

The square root of 52522237 is about 7247.2227094246. Note that the first 3 decimals coincide. The cubic root of 52522237 is about 374.4964785828.

The spelling of 52522237 in words is "fifty-two million, five hundred twenty-two thousand, two hundred thirty-seven".