2251501012 has 24 divisors (see below), whose sum is σ = 4177607616. Its totient is φ = 1058080128.

The previous prime is 2251501009. The next prime is 2251501037. The reversal of 2251501012 is 2101051522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28243 + ... + 72805.

It is an arithmetic number, because the mean of its divisors is an integer number (174066984).

Almost surely, 2^2251501012 is an apocalyptic number.

It is an amenable number.

2251501012 is a deficient number, since it is larger than the sum of its proper divisors (1926106604).

2251501012 is a wasteful number, since it uses less digits than its factorization.

2251501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45327 (or 45325 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2251501012 is about 47449.9843203346. The cubic root of 2251501012 is about 1310.6620222782.

Adding to 2251501012 its reverse (2101051522), we get a palindrome (4352552534).

The spelling of 2251501012 in words is "two billion, two hundred fifty-one million, five hundred one thousand, twelve".