2251653325 has 12 divisors (see below), whose sum is σ = 2844731988. Its totient is φ = 1767334400.

The previous prime is 2251653319. The next prime is 2251653343. The reversal of 2251653325 is 5233561522.

It can be written as a sum of positive squares in 6 ways, for example, as 40678884 + 2210974441 = 6378^2 + 47021^2 .

It is not a de Polignac number, because 2251653325 - 2²⁷ = 2117435597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848356 + ... + 851005.

It is an arithmetic number, because the mean of its divisors is an integer number (237060999).

Almost surely, 2^2251653325 is an apocalyptic number.

2251653325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251653325 is a deficient number, since it is larger than the sum of its proper divisors (593078663).

2251653325 is a wasteful number, since it uses less digits than its factorization.

2251653325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699424 (or 1699419 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 2251653325 is about 47451.5892779157. The cubic root of 2251653325 is about 1310.6915768379.

The spelling of 2251653325 in words is "two billion, two hundred fifty-one million, six hundred fifty-three thousand, three hundred twenty-five".