4601631 has 4 divisors (see below), whose sum is σ = 6135512. Its totient is φ = 3067752.

The previous prime is 4601621. The next prime is 4601677. The reversal of 4601631 is 1361064.

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

It is not a de Polignac number, because 4601631 - 2⁵ = 4601599 is a prime.

It is a super-2 number, since 2×4601631² = 42350015720322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4601631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4601598 and 4601607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4601621) 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 3 ways as a sum of consecutive naturals, for example, 766936 + ... + 766941.

It is an arithmetic number, because the mean of its divisors is an integer number (1533878).

Almost surely, 2^4601631 is an apocalyptic number.

4601631 is a deficient number, since it is larger than the sum of its proper divisors (1533881).

4601631 is a wasteful number, since it uses less digits than its factorization.

4601631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533880.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4601631 is about 2145.1412540903. The cubic root of 4601631 is about 166.3300035165.

Adding to 4601631 its reverse (1361064), we get a palindrome (5962695).

The spelling of 4601631 in words is "four million, six hundred one thousand, six hundred thirty-one".