2251050520 has 32 divisors (see below), whose sum is σ = 5066284320. Its totient is φ = 900167680.

The previous prime is 2251050497. The next prime is 2251050521. The reversal of 2251050520 is 250501522.

It is a junction number, because it is equal to n+sod(n) for n = 2251050491 and 2251050500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251050521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212469 + ... + 222811.

It is an arithmetic number, because the mean of its divisors is an integer number (158321385).

Almost surely, 2^2251050520 is an apocalyptic number.

2251050520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251050520 is an abundant number, since it is smaller than the sum of its proper divisors (2815233800).

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

2251050520 is a wasteful number, since it uses less digits than its factorization.

2251050520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15795 (or 15791 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2251050520 is about 47445.2370633766. The cubic root of 2251050520 is about 1310.5746017624.

The spelling of 2251050520 in words is "two billion, two hundred fifty-one million, fifty thousand, five hundred twenty".