4281631 has 4 divisors (see below), whose sum is σ = 4507000. Its totient is φ = 4056264.

The previous prime is 4281619. The next prime is 4281643. The reversal of 4281631 is 1361824.

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

It is an interprime number because it is at equal distance from previous prime (4281619) and next prime (4281643).

It is a cyclic number.

It is not a de Polignac number, because 4281631 - 2¹³ = 4273439 is a prime.

It is a super-2 number, since 2×4281631² = 36664728040322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4281596 and 4281605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4281601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112656 + ... + 112693.

It is an arithmetic number, because the mean of its divisors is an integer number (1126750).

Almost surely, 2^4281631 is an apocalyptic number.

4281631 is a deficient number, since it is larger than the sum of its proper divisors (225369).

4281631 is a wasteful number, since it uses less digits than its factorization.

4281631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225368.

The product of its digits is 1152, while the sum is 25.

The square root of 4281631 is about 2069.2102358146. The cubic root of 4281631 is about 162.3814488383.

The spelling of 4281631 in words is "four million, two hundred eighty-one thousand, six hundred thirty-one".