63487 has 2 divisors, whose sum is σ = 63488. Its totient is φ = 63486.

The previous prime is 63473. The next prime is 63493. The reversal of 63487 is 78436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63487 is a prime.

It is a Chen prime.

It is an Ulam number.

63487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31743 + 31744.

It is an arithmetic number, because the mean of its divisors is an integer number (31744).

2⁶³⁴⁸⁷ is an apocalyptic number.

63487 is a deficient number, since it is larger than the sum of its proper divisors (1).

63487 is an equidigital number, since it uses as much as digits as its factorization.

63487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 63487 is about 251.9662675836. The cubic root of 63487 is about 39.8928381649.

The spelling of 63487 in words is "sixty-three thousand, four hundred eighty-seven".