2133753251 has 4 divisors (see below), whose sum is σ = 2438575152. Its totient is φ = 1828931352.

The previous prime is 2133753241. The next prime is 2133753287. The reversal of 2133753251 is 1523573312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133753251 - 2²² = 2129558947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133753241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152410940 + ... + 152410953.

It is an arithmetic number, because the mean of its divisors is an integer number (609643788).

Almost surely, 2^2133753251 is an apocalyptic number.

2133753251 is a deficient number, since it is larger than the sum of its proper divisors (304821901).

2133753251 is an equidigital number, since it uses as much as digits as its factorization.

2133753251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304821900.

The product of its digits is 18900, while the sum is 32.

The square root of 2133753251 is about 46192.5670535856. The cubic root of 2133753251 is about 1287.4036376933.

The spelling of 2133753251 in words is "two billion, one hundred thirty-three million, seven hundred fifty-three thousand, two hundred fifty-one".