52243487 has 2 divisors, whose sum is σ = 52243488. Its totient is φ = 52243486.

The previous prime is 52243481. The next prime is 52243489. The reversal of 52243487 is 78434225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52243487 - 2⁸ = 52243231 is a prime.

Together with 52243489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52243481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26121743 + 26121744.

It is an arithmetic number, because the mean of its divisors is an integer number (26121744).

Almost surely, 2^52243487 is an apocalyptic number.

52243487 is a deficient number, since it is larger than the sum of its proper divisors (1).

52243487 is an equidigital number, since it uses as much as digits as its factorization.

52243487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 52243487 is about 7227.9656197301. The cubic root of 52243487 is about 373.8327843527.

The spelling of 52243487 in words is "fifty-two million, two hundred forty-three thousand, four hundred eighty-seven".