2251350531 has 12 divisors (see below), whose sum is σ = 3372393752. Its totient is φ = 1500900192.

The previous prime is 2251350529. The next prime is 2251350539. The reversal of 2251350531 is 1350531522.

It is a happy number.

It is not a de Polignac number, because 2251350531 - 2¹ = 2251350529 is a prime.

It is a super-2 number, since 2×2251350531² = 10137158426867963922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251350495 and 2251350504.

It is not an unprimeable number, because it can be changed into a prime (2251350539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4632166 + ... + 4632651.

Almost surely, 2^2251350531 is an apocalyptic number.

2251350531 is a deficient number, since it is larger than the sum of its proper divisors (1121043221).

2251350531 is an frugal number, since it uses more digits than its factorization.

2251350531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264832 (or 9264820 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2251350531 is about 47448.3986136519. The cubic root of 2251350531 is about 1310.6328218878.

The spelling of 2251350531 in words is "two billion, two hundred fifty-one million, three hundred fifty thousand, five hundred thirty-one".