63511230 has 16 divisors (see below), whose sum is σ = 152427024. Its totient is φ = 16936320.

The previous prime is 63511229. The next prime is 63511237. The reversal of 63511230 is 3211536.

It is a super-2 number, since 2×63511230² = 8067352672225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63511197 and 63511206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63511237) 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, 1058491 + ... + 1058550.

It is an arithmetic number, because the mean of its divisors is an integer number (9526689).

Almost surely, 2^63511230 is an apocalyptic number.

63511230 is an abundant number, since it is smaller than the sum of its proper divisors (88915794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63511230 is a wasteful number, since it uses less digits than its factorization.

63511230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117051.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 63511230 is about 7969.3933269729. The cubic root of 63511230 is about 398.9791259235.

Adding to 63511230 its reverse (3211536), we get a palindrome (66722766).

The spelling of 63511230 in words is "sixty-three million, five hundred eleven thousand, two hundred thirty".