52305181 has 2 divisors, whose sum is σ = 52305182. Its totient is φ = 52305180.

The previous prime is 52305179. The next prime is 52305221. The reversal of 52305181 is 18150325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34916281 + 17388900 = 5909^2 + 4170^2 .

It is a cyclic number.

It is not a de Polignac number, because 52305181 - 2¹ = 52305179 is a prime.

It is a super-2 number, since 2×52305181² = 5471663918885522, which contains 22 as substring.

Together with 52305179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52305581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26152590 + 26152591.

It is an arithmetic number, because the mean of its divisors is an integer number (26152591).

Almost surely, 2^52305181 is an apocalyptic number.

It is an amenable number.

52305181 is a deficient number, since it is larger than the sum of its proper divisors (1).

52305181 is an equidigital number, since it uses as much as digits as its factorization.

52305181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 52305181 is about 7232.2320897493. The cubic root of 52305181 is about 373.9798787158.

The spelling of 52305181 in words is "fifty-two million, three hundred five thousand, one hundred eighty-one".