63081830 has 16 divisors (see below), whose sum is σ = 129768480. Its totient is φ = 21628032.

The previous prime is 63081829. The next prime is 63081833. The reversal of 63081830 is 3818036.

63081830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63081830² = 7958634552297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63081793 and 63081802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63081833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450515 + ... + 450654.

It is an arithmetic number, because the mean of its divisors is an integer number (8110530).

Almost surely, 2^63081830 is an apocalyptic number.

63081830 is an abundant number, since it is smaller than the sum of its proper divisors (66686650).

63081830 is a wasteful number, since it uses less digits than its factorization.

63081830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901183.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 63081830 is about 7942.4070658712. The cubic root of 63081830 is about 398.0779246931.

Adding to 63081830 its reverse (3818036), we get a palindrome (66899866).

The spelling of 63081830 in words is "sixty-three million, eighty-one thousand, eight hundred thirty".