2251533045 has 16 divisors (see below), whose sum is σ = 3603271680. Its totient is φ = 1200544704.

The previous prime is 2251533017. The next prime is 2251533047. The reversal of 2251533045 is 5403351522.

It is not a de Polignac number, because 2251533045 - 2⁹ = 2251532533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251533047) 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 15 ways as a sum of consecutive naturals, for example, 63372 + ... + 92298.

It is an arithmetic number, because the mean of its divisors is an integer number (225204480).

Almost surely, 2^2251533045 is an apocalyptic number.

It is an amenable number.

2251533045 is a deficient number, since it is larger than the sum of its proper divisors (1351738635).

2251533045 is a wasteful number, since it uses less digits than its factorization.

2251533045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34124.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2251533045 is about 47450.3218640295. The cubic root of 2251533045 is about 1310.6682380186.

Adding to 2251533045 its reverse (5403351522), we get a palindrome (7654884567).

The spelling of 2251533045 in words is "two billion, two hundred fifty-one million, five hundred thirty-three thousand, forty-five".