2251378283 has 16 divisors (see below), whose sum is σ = 2809880064. Its totient is φ = 1752466560.

The previous prime is 2251378279. The next prime is 2251378291. The reversal of 2251378283 is 3828731522.

It is a cyclic number.

It is not a de Polignac number, because 2251378283 - 2² = 2251378279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251378283.

It is not an unprimeable number, because it can be changed into a prime (2251378583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60266 + ... + 90192.

It is an arithmetic number, because the mean of its divisors is an integer number (175617504).

Almost surely, 2^2251378283 is an apocalyptic number.

2251378283 is a deficient number, since it is larger than the sum of its proper divisors (558501781).

2251378283 is a wasteful number, since it uses less digits than its factorization.

2251378283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30922.

The product of its digits is 161280, while the sum is 41.

The square root of 2251378283 is about 47448.6910567615. The cubic root of 2251378283 is about 1310.6382071787.

The spelling of 2251378283 in words is "two billion, two hundred fifty-one million, three hundred seventy-eight thousand, two hundred eighty-three".