2251501312 has 18 divisors (see below), whose sum is σ = 4494208208. Its totient is φ = 1125750528.

The previous prime is 2251501297. The next prime is 2251501337. The reversal of 2251501312 is 2131051522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4397208 + ... + 4397719.

Almost surely, 2^2251501312 is an apocalyptic number.

It is an amenable number.

2251501312 is a deficient number, since it is larger than the sum of its proper divisors (2242706896).

2251501312 is an frugal number, since it uses more digits than its factorization.

2251501312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794943 (or 8794929 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2251501312 is about 47449.9874815579. The cubic root of 2251501312 is about 1310.6620804910.

Adding to 2251501312 its reverse (2131051522), we get a palindrome (4382552834).

It can be divided in two parts, 22515013 and 12, that added together give a square (22515025 = 4745²).

The spelling of 2251501312 in words is "two billion, two hundred fifty-one million, five hundred one thousand, three hundred twelve".