2251251326 has 16 divisors (see below), whose sum is σ = 3460558464. Its totient is φ = 1097809944.

The previous prime is 2251251323. The next prime is 2251251337. The reversal of 2251251326 is 6231521522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251251323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39575 + ... + 77901.

It is an arithmetic number, because the mean of its divisors is an integer number (216284904).

Almost surely, 2^2251251326 is an apocalyptic number.

2251251326 is a deficient number, since it is larger than the sum of its proper divisors (1209307138).

2251251326 is a wasteful number, since it uses less digits than its factorization.

2251251326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39055.

The product of its digits is 7200, while the sum is 29.

The square root of 2251251326 is about 47447.3532033137. The cubic root of 2251251326 is about 1310.6135707409.

Adding to 2251251326 its reverse (6231521522), we get a palindrome (8482772848).

The spelling of 2251251326 in words is "two billion, two hundred fifty-one million, two hundred fifty-one thousand, three hundred twenty-six".