2251552533 has 4 divisors (see below), whose sum is σ = 3002070048. Its totient is φ = 1501035020.

The previous prime is 2251552483. The next prime is 2251552553. The reversal of 2251552533 is 3352551522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251552533 - 2⁹ = 2251552021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251552494 and 2251552503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251552553) 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 3 ways as a sum of consecutive naturals, for example, 375258753 + ... + 375258758.

It is an arithmetic number, because the mean of its divisors is an integer number (750517512).

Almost surely, 2^2251552533 is an apocalyptic number.

It is an amenable number.

2251552533 is a deficient number, since it is larger than the sum of its proper divisors (750517515).

2251552533 is an equidigital number, since it uses as much as digits as its factorization.

2251552533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750517514.

The product of its digits is 45000, while the sum is 33.

The square root of 2251552533 is about 47450.5272151954. The cubic root of 2251552533 is about 1310.6720194760.

The spelling of 2251552533 in words is "two billion, two hundred fifty-one million, five hundred fifty-two thousand, five hundred thirty-three".