52005487 has 2 divisors, whose sum is σ = 52005488. Its totient is φ = 52005486.

The previous prime is 52005469. The next prime is 52005511. The reversal of 52005487 is 78450025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52005487 - 2¹¹ = 52003439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52005287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26002743 + 26002744.

It is an arithmetic number, because the mean of its divisors is an integer number (26002744).

Almost surely, 2^52005487 is an apocalyptic number.

52005487 is a deficient number, since it is larger than the sum of its proper divisors (1).

52005487 is an equidigital number, since it uses as much as digits as its factorization.

52005487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 52005487 is about 7211.4829958893. The cubic root of 52005487 is about 373.2642436102.

The spelling of 52005487 in words is "fifty-two million, five thousand, four hundred eighty-seven".