2251523203 has 8 divisors (see below), whose sum is σ = 2300569920. Its totient is φ = 2202524160.

The previous prime is 2251523179. The next prime is 2251523221. The reversal of 2251523203 is 3023251522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251523203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251523303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93603 + ... + 115171.

It is an arithmetic number, because the mean of its divisors is an integer number (287571240).

Almost surely, 2^2251523203 is an apocalyptic number.

2251523203 is a deficient number, since it is larger than the sum of its proper divisors (49046717).

2251523203 is a wasteful number, since it uses less digits than its factorization.

2251523203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23837.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2251523203 is about 47450.2181554521. The cubic root of 2251523203 is about 1310.6663282657. Note that the first 3 decimals are identical.

Adding to 2251523203 its reverse (3023251522), we get a palindrome (5274774725).

The spelling of 2251523203 in words is "two billion, two hundred fifty-one million, five hundred twenty-three thousand, two hundred three".