2631329 has 12 divisors (see below), whose sum is σ = 2866644. Its totient is φ = 2413152.

The previous prime is 2631323. The next prime is 2631337. The reversal of 2631329 is 9231362.

It can be written as a sum of positive squares in 2 ways, for example, as 2486929 + 144400 = 1577^2 + 380^2 .

It is not a de Polignac number, because 2631329 - 2²⁰ = 1582753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2631298 and 2631307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13259 + ... + 13455.

It is an arithmetic number, because the mean of its divisors is an integer number (238887).

2^2631329 is an apocalyptic number.

It is an amenable number.

2631329 is a deficient number, since it is larger than the sum of its proper divisors (235315).

2631329 is a wasteful number, since it uses less digits than its factorization.

2631329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 253 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2631329 is about 1622.1371705254. The cubic root of 2631329 is about 138.0569847974.

The spelling of 2631329 in words is "two million, six hundred thirty-one thousand, three hundred twenty-nine".