4851631 has 4 divisors (see below), whose sum is σ = 5107000. Its totient is φ = 4596264.

The previous prime is 4851619. The next prime is 4851659. The reversal of 4851631 is 1361584.

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

It is a cyclic number.

It is not a de Polignac number, because 4851631 - 2¹⁷ = 4720559 is a prime.

It is a super-2 number, since 2×4851631² = 47076646720322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4851631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4851661) 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, 127656 + ... + 127693.

It is an arithmetic number, because the mean of its divisors is an integer number (1276750).

Almost surely, 2^4851631 is an apocalyptic number.

4851631 is a deficient number, since it is larger than the sum of its proper divisors (255369).

4851631 is a wasteful number, since it uses less digits than its factorization.

4851631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255368.

The product of its digits is 2880, while the sum is 28.

The square root of 4851631 is about 2202.6418229027. The cubic root of 4851631 is about 169.2892005634.

It can be divided in two parts, 485 and 1631, that added together give a square (2116 = 46²).

The spelling of 4851631 in words is "four million, eight hundred fifty-one thousand, six hundred thirty-one".