52987243 has 2 divisors, whose sum is σ = 52987244. Its totient is φ = 52987242.

The previous prime is 52987241. The next prime is 52987267. The reversal of 52987243 is 34278925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52987243 - 2¹ = 52987241 is a prime.

Together with 52987241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 52987196 and 52987205.

It is not a weakly prime, because it can be changed into another prime (52987241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26493621 + 26493622.

It is an arithmetic number, because the mean of its divisors is an integer number (26493622).

Almost surely, 2^52987243 is an apocalyptic number.

52987243 is a deficient number, since it is larger than the sum of its proper divisors (1).

52987243 is an equidigital number, since it uses as much as digits as its factorization.

52987243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 52987243 is about 7279.2336821949. The cubic root of 52987243 is about 375.5984353073.

The spelling of 52987243 in words is "fifty-two million, nine hundred eighty-seven thousand, two hundred forty-three".