2631337 has 2 divisors, whose sum is σ = 2631338. Its totient is φ = 2631336.

The previous prime is 2631323. The next prime is 2631347. The reversal of 2631337 is 7331362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 19881 = 1616^2 + 141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2631337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2631347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315668 + 1315669.

It is an arithmetic number, because the mean of its divisors is an integer number (1315669).

2^2631337 is an apocalyptic number.

It is an amenable number.

2631337 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631337 is an equidigital number, since it uses as much as digits as its factorization.

2631337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 25.

The square root of 2631337 is about 1622.1396364062. The cubic root of 2631337 is about 138.0571247083.

Adding to 2631337 its sum of digits (25), we get a palindrome (2631362).

Adding to 2631337 its reverse (7331362), we get a palindrome (9962699).

It can be divided in two parts, 263 and 1337, that added together give a square (1600 = 40²).

The spelling of 2631337 in words is "two million, six hundred thirty-one thousand, three hundred thirty-seven".