4425631 has 12 divisors (see below), whose sum is σ = 5187000. Its totient is φ = 3764880.

The previous prime is 4425623. The next prime is 4425647. The reversal of 4425631 is 1365244.

It is not a de Polignac number, because 4425631 - 2³ = 4425623 is a prime.

It is a super-2 number, since 2×4425631² = 39172419496322, which contains 22 as substring.

It is an Ulam number.

4425631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4425596 and 4425605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425671) 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 11 ways as a sum of consecutive naturals, for example, 8620 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (432250).

Almost surely, 2^4425631 is an apocalyptic number.

4425631 is a deficient number, since it is larger than the sum of its proper divisors (761369).

4425631 is a wasteful number, since it uses less digits than its factorization.

4425631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 687 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 4425631 is about 2103.7183746880. The cubic root of 4425631 is about 164.1818204581.

The spelling of 4425631 in words is "four million, four hundred twenty-five thousand, six hundred thirty-one".