2251075460 has 12 divisors (see below), whose sum is σ = 4727258508. Its totient is φ = 900430176.

The previous prime is 2251075459. The next prime is 2251075469. The reversal of 2251075460 is 645701522.

It can be written as a sum of positive squares in 2 ways, for example, as 725548096 + 1525527364 = 26936^2 + 39058^2 .

It is a super-2 number, since 2×2251075460² = 10134681453228423200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2251075469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56276867 + ... + 56276906.

It is an arithmetic number, because the mean of its divisors is an integer number (393938209).

Almost surely, 2^2251075460 is an apocalyptic number.

2251075460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251075460 is an abundant number, since it is smaller than the sum of its proper divisors (2476183048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251075460 is a wasteful number, since it uses less digits than its factorization.

2251075460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112553782 (or 112553780 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2251075460 is about 47445.4998919813. The cubic root of 2251075460 is about 1310.5794418151.

Adding to 2251075460 its reverse (645701522), we get a palindrome (2896776982).

The spelling of 2251075460 in words is "two billion, two hundred fifty-one million, seventy-five thousand, four hundred sixty".