463638601 has 4 divisors (see below), whose sum is σ = 476169412. Its totient is φ = 451107792.

The previous prime is 463638587. The next prime is 463638611. The reversal of 463638601 is 106836364.

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

It can be written as a sum of positive squares in 2 ways, for example, as 429111225 + 34527376 = 20715^2 + 5876^2 .

It is a cyclic number.

It is not a de Polignac number, because 463638601 - 2¹⁷ = 463507529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 12530773 = 463638601 / (4 + 6 + 3 + 6 + 3 + 8 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463638611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6265350 + ... + 6265423.

It is an arithmetic number, because the mean of its divisors is an integer number (119042353).

Almost surely, 2^463638601 is an apocalyptic number.

It is an amenable number.

463638601 is a deficient number, since it is larger than the sum of its proper divisors (12530811).

463638601 is a wasteful number, since it uses less digits than its factorization.

463638601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12530810.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 463638601 is about 21532.2688307572. The cubic root of 463638601 is about 773.9742800936.

The spelling of 463638601 in words is "four hundred sixty-three million, six hundred thirty-eight thousand, six hundred one".