2530521133 has 16 divisors (see below), whose sum is σ = 2958235264. Its totient is φ = 2119815360.

The previous prime is 2530521089. The next prime is 2530521143. The reversal of 2530521133 is 3311250352.

It is a cyclic number.

It is not a de Polignac number, because 2530521133 - 2⁹ = 2530520621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2530521098 and 2530521107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530521143) 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, 48166 + ... + 85912.

It is an arithmetic number, because the mean of its divisors is an integer number (184889704).

Almost surely, 2^2530521133 is an apocalyptic number.

It is an amenable number.

2530521133 is a deficient number, since it is larger than the sum of its proper divisors (427714131).

2530521133 is a wasteful number, since it uses less digits than its factorization.

2530521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37972.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2530521133 is about 50304.2854337481. The cubic root of 2530521133 is about 1362.7096232534.

Adding to 2530521133 its reverse (3311250352), we get a palindrome (5841771485).

The spelling of 2530521133 in words is "two billion, five hundred thirty million, five hundred twenty-one thousand, one hundred thirty-three".