2251231504 has 20 divisors (see below), whose sum is σ = 4410772380. Its totient is φ = 1112967680.

The previous prime is 2251231481. The next prime is 2251231523. The reversal of 2251231504 is 4051321522.

It can be written as a sum of positive squares in 2 ways, for example, as 1211040000 + 1040191504 = 34800^2 + 32252^2 .

It is a super-3 number, since 3×2251231504³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 789037 + ... + 791884.

It is an arithmetic number, because the mean of its divisors is an integer number (220538619).

Almost surely, 2^2251231504 is an apocalyptic number.

It is an amenable number.

2251231504 is a deficient number, since it is larger than the sum of its proper divisors (2159540876).

2251231504 is a wasteful number, since it uses less digits than its factorization.

2251231504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581018 (or 1581012 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2251231504 is about 47447.1443187048. The cubic root of 2251231504 is about 1310.6097241308.

The spelling of 2251231504 in words is "two billion, two hundred fifty-one million, two hundred thirty-one thousand, five hundred four".