52782563 has 2 divisors, whose sum is σ = 52782564. Its totient is φ = 52782562.

The previous prime is 52782559. The next prime is 52782571. The reversal of 52782563 is 36528725.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52782563 - 2² = 52782559 is a prime.

It is not a weakly prime, because it can be changed into another prime (52782593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391281 + 26391282.

It is an arithmetic number, because the mean of its divisors is an integer number (26391282).

Almost surely, 2^52782563 is an apocalyptic number.

52782563 is a deficient number, since it is larger than the sum of its proper divisors (1).

52782563 is an equidigital number, since it uses as much as digits as its factorization.

52782563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 52782563 is about 7265.1609066833. The cubic root of 52782563 is about 375.1141886331.

The spelling of 52782563 in words is "fifty-two million, seven hundred eighty-two thousand, five hundred sixty-three".