463353021 has 16 divisors (see below), whose sum is σ = 688096320. Its totient is φ = 308160720.

The previous prime is 463352999. The next prime is 463353041. The reversal of 463353021 is 120353364.

It is a happy number.

463353021 is a `hidden beast` number, since 4 + 633 + 5 + 3 + 0 + 21 = 666.

It is not a de Polignac number, because 463353021 - 2²⁶ = 396244157 is a prime.

It is a super-4 number, since 4×463353021⁴ (a number of 36 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463353041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015 + ... + 31748.

It is an arithmetic number, because the mean of its divisors is an integer number (43006020).

Almost surely, 2^463353021 is an apocalyptic number.

It is an amenable number.

463353021 is a deficient number, since it is larger than the sum of its proper divisors (224743299).

463353021 is a wasteful number, since it uses less digits than its factorization.

463353021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41193 (or 41187 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 463353021 is about 21525.6363668998. The cubic root of 463353021 is about 773.8153366322.

The spelling of 463353021 in words is "four hundred sixty-three million, three hundred fifty-three thousand, twenty-one".