52249237 has 2 divisors, whose sum is σ = 52249238. Its totient is φ = 52249236.

The previous prime is 52249231. The next prime is 52249273. The reversal of 52249237 is 73294225.

It is a happy number.

Together with next prime (52249273) 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., 51710481 + 538756 = 7191^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 52249237 - 2¹¹ = 52247189 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52249231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26124618 + 26124619.

It is an arithmetic number, because the mean of its divisors is an integer number (26124619).

Almost surely, 2^52249237 is an apocalyptic number.

It is an amenable number.

52249237 is a deficient number, since it is larger than the sum of its proper divisors (1).

52249237 is an equidigital number, since it uses as much as digits as its factorization.

52249237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 52249237 is about 7228.3633693942. The cubic root of 52249237 is about 373.8464987235.

The spelling of 52249237 in words is "fifty-two million, two hundred forty-nine thousand, two hundred thirty-seven".