2631172 has 6 divisors (see below), whose sum is σ = 4604558. Its totient is φ = 1315584.

The previous prime is 2631149. The next prime is 2631173. The reversal of 2631172 is 2711362.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 715716 = 1384^2 + 846^2 .

It is not an unprimeable number, because it can be changed into a prime (2631173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328893 + ... + 328900.

2^2631172 is an apocalyptic number.

It is an amenable number.

2631172 is a deficient number, since it is larger than the sum of its proper divisors (1973386).

2631172 is a wasteful number, since it uses less digits than its factorization.

2631172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657797 (or 657795 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 2631172 is about 1622.0887768553. The cubic root of 2631172 is about 138.0542389888.

The spelling of 2631172 in words is "two million, six hundred thirty-one thousand, one hundred seventy-two".