63465 has 8 divisors (see below), whose sum is σ = 101568. Its totient is φ = 33840.

The previous prime is 63463. The next prime is 63467. The reversal of 63465 is 56436.

63465 = T₂₉ + T₃₀ + ... + T₇₃.

It is an interprime number because it is at equal distance from previous prime (63463) and next prime (63467).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63465 - 2¹ = 63463 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (63463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (12696).

2⁶³⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

63465 is a deficient number, since it is larger than the sum of its proper divisors (38103).

63465 is a wasteful number, since it uses less digits than its factorization.

63465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239.

The product of its digits is 2160, while the sum is 24.

The square root of 63465 is about 251.9226071634. The cubic root of 63465 is about 39.8882296422. Note that the first 3 decimals are identical.

It can be divided in two parts, 63 and 465, that added together give a triangular number (528 = T₃₂).

The spelling of 63465 in words is "sixty-three thousand, four hundred sixty-five".