2251520332 has 12 divisors (see below), whose sum is σ = 3968508040. Its totient is φ = 1117660896.

The previous prime is 2251520329. The next prime is 2251520339. The reversal of 2251520332 is 2330251522.

It is a super-3 number, since 3×2251520332³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2251520297 and 2251520306.

It is not an unprimeable number, because it can be changed into a prime (2251520339) 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, 2024193 + ... + 2025304.

Almost surely, 2^2251520332 is an apocalyptic number.

It is an amenable number.

2251520332 is a deficient number, since it is larger than the sum of its proper divisors (1716987708).

2251520332 is a wasteful number, since it uses less digits than its factorization.

2251520332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049640 (or 4049638 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2251520332 is about 47450.1879026838. The cubic root of 2251520332 is about 1310.6657711725.

Adding to 2251520332 its reverse (2330251522), we get a palindrome (4581771854).

The spelling of 2251520332 in words is "two billion, two hundred fifty-one million, five hundred twenty thousand, three hundred thirty-two".