63543065 has 8 divisors (see below), whose sum is σ = 76757568. Its totient is φ = 50497200.

The previous prime is 63543047. The next prime is 63543091. The reversal of 63543065 is 56034536.

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

It is not a de Polignac number, because 63543065 - 2¹⁶ = 63477529 is a prime.

It is a super-2 number, since 2×63543065² = 8075442219188450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41327 + ... + 42836.

It is an arithmetic number, because the mean of its divisors is an integer number (9594696).

Almost surely, 2^63543065 is an apocalyptic number.

It is an amenable number.

63543065 is a deficient number, since it is larger than the sum of its proper divisors (13214503).

63543065 is a wasteful number, since it uses less digits than its factorization.

63543065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84319.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 63543065 is about 7971.3904056946. The cubic root of 63543065 is about 399.0457775422.

The spelling of 63543065 in words is "sixty-three million, five hundred forty-three thousand, sixty-five".