63040511 has 4 divisors (see below), whose sum is σ = 64074024. Its totient is φ = 62007000.

The previous prime is 63040507. The next prime is 63040513. The reversal of 63040511 is 11504036.

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

It is a cyclic number.

It is not a de Polignac number, because 63040511 - 2² = 63040507 is a prime.

It is a super-2 number, since 2×63040511² = 7948212054282242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63040513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516665 + ... + 516786.

It is an arithmetic number, because the mean of its divisors is an integer number (16018506).

Almost surely, 2^63040511 is an apocalyptic number.

63040511 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

63040511 is a deficient number, since it is larger than the sum of its proper divisors (1033513).

63040511 is a wasteful number, since it uses less digits than its factorization.

63040511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033512.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 63040511 is about 7939.8054762066. The cubic root of 63040511 is about 397.9909911852.

Adding to 63040511 its reverse (11504036), we get a palindrome (74544547).

The spelling of 63040511 in words is "sixty-three million, forty thousand, five hundred eleven".