2251503023 has 12 divisors (see below), whose sum is σ = 2828335440. Its totient is φ = 1754417280.

The previous prime is 2251503013. The next prime is 2251503031. The reversal of 2251503023 is 3203051522.

It is not a de Polignac number, because 2251503023 - 2²⁴ = 2234725807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2251503023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251503013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328258 + ... + 1329951.

It is an arithmetic number, because the mean of its divisors is an integer number (235694620).

Almost surely, 2^2251503023 is an apocalyptic number.

2251503023 is a deficient number, since it is larger than the sum of its proper divisors (576832417).

2251503023 is a wasteful number, since it uses less digits than its factorization.

2251503023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658238 (or 2658227 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2251503023 is about 47450.0055110640. The cubic root of 2251503023 is about 1310.6624124980.

Adding to 2251503023 its reverse (3203051522), we get a palindrome (5454554545).

The spelling of 2251503023 in words is "two billion, two hundred fifty-one million, five hundred three thousand, twenty-three".