2345631 has 8 divisors (see below), whose sum is σ = 3137280. Its totient is φ = 1558872.

The previous prime is 2345617. The next prime is 2345641. The reversal of 2345631 is 1365432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2345631 - 2⁵ = 2345599 is a prime.

It is a super-2 number, since 2×2345631² = 11003969576322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345641) 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 7 ways as a sum of consecutive naturals, for example, 106 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (392160).

2^2345631 is an apocalyptic number.

2345631 is a deficient number, since it is larger than the sum of its proper divisors (791649).

2345631 is a wasteful number, since it uses less digits than its factorization.

2345631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445.

The product of its digits is 2160, while the sum is 24.

The square root of 2345631 is about 1531.5452980568. The cubic root of 2345631 is about 132.8678469482.

It can be divided in two parts, 23 and 45631, that added together give a palindrome (45654).

The spelling of 2345631 in words is "two million, three hundred forty-five thousand, six hundred thirty-one".