463031021 has 8 divisors (see below), whose sum is σ = 469660800. Its totient is φ = 456426432.

The previous prime is 463031017. The next prime is 463031027. The reversal of 463031021 is 120130364.

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

It is a cyclic number.

It is not a de Polignac number, because 463031021 - 2² = 463031017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 463030984 and 463031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463031027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32405 + ... + 44453.

It is an arithmetic number, because the mean of its divisors is an integer number (58707600).

Almost surely, 2^463031021 is an apocalyptic number.

It is an amenable number.

463031021 is a deficient number, since it is larger than the sum of its proper divisors (6629779).

463031021 is a wasteful number, since it uses less digits than its factorization.

463031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 463031021 is about 21518.1556133420. The cubic root of 463031021 is about 773.6360447690.

Adding to 463031021 its reverse (120130364), we get a palindrome (583161385).

The spelling of 463031021 in words is "four hundred sixty-three million, thirty-one thousand, twenty-one".