2011245533 has 16 divisors (see below), whose sum is σ = 2217646080. Its totient is φ = 1808856000.

The previous prime is 2011245527. The next prime is 2011245539. The reversal of 2011245533 is 3355421102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2011245527) and next prime (2011245539).

It is a cyclic number.

It is not a de Polignac number, because 2011245533 - 2¹⁶ = 2011179997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011245539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541583 + ... + 545283.

It is an arithmetic number, because the mean of its divisors is an integer number (138602880).

Almost surely, 2^2011245533 is an apocalyptic number.

It is an amenable number.

2011245533 is a deficient number, since it is larger than the sum of its proper divisors (206400547).

2011245533 is a wasteful number, since it uses less digits than its factorization.

2011245533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2011245533 is about 44846.9121902501. The cubic root of 2011245533 is about 1262.2780517329.

Adding to 2011245533 its reverse (3355421102), we get a palindrome (5366666635).

Subtracting 2011245533 from its reverse (3355421102), we obtain a square (1344175569 = 36663²).

The spelling of 2011245533 in words is "two billion, eleven million, two hundred forty-five thousand, five hundred thirty-three".