2251213153 has 8 divisors (see below), whose sum is σ = 2576833920. Its totient is φ = 1926597120.

The previous prime is 2251213141. The next prime is 2251213169. The reversal of 2251213153 is 3513121522.

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

It is not a de Polignac number, because 2251213153 - 2⁵ = 2251213121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251273153) 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, 246373 + ... + 255346.

It is an arithmetic number, because the mean of its divisors is an integer number (322104240).

Almost surely, 2^2251213153 is an apocalyptic number.

It is an amenable number.

2251213153 is a deficient number, since it is larger than the sum of its proper divisors (325620767).

2251213153 is an equidigital number, since it uses as much as digits as its factorization.

2251213153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502367.

The product of its digits is 1800, while the sum is 25.

The square root of 2251213153 is about 47446.9509347018. The cubic root of 2251213153 is about 1310.6061629593.

Adding to 2251213153 its reverse (3513121522), we get a palindrome (5764334675).

The spelling of 2251213153 in words is "two billion, two hundred fifty-one million, two hundred thirteen thousand, one hundred fifty-three".