63485 has 4 divisors (see below), whose sum is σ = 76188. Its totient is φ = 50784.

The previous prime is 63473. The next prime is 63487. The reversal of 63485 is 58436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17689 + 45796 = 133^2 + 214^2 .

It is a cyclic number.

It is not a de Polignac number, because 63485 - 2⁶ = 63421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6344 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (19047).

2⁶³⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

63485 is a deficient number, since it is larger than the sum of its proper divisors (12703).

63485 is a wasteful number, since it uses less digits than its factorization.

63485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12702.

The product of its digits is 2880, while the sum is 26.

The square root of 63485 is about 251.9622987671. The cubic root of 63485 is about 39.8924192523.

It can be divided in two parts, 6 and 3485, that multiplied together give a triangular number (20910 = T₂₀₄).

The spelling of 63485 in words is "sixty-three thousand, four hundred eighty-five".