2052521231 has 16 divisors (see below), whose sum is σ = 2195424000. Its totient is φ = 1912160640.

The previous prime is 2052521167. The next prime is 2052521243. The reversal of 2052521231 is 1321252502.

It is a cyclic number.

It is not a de Polignac number, because 2052521231 - 2⁶ = 2052521167 is a prime.

It is a super-2 number, since 2×2052521231² = 8425686807411510722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2052521197 and 2052521206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052521281) 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, 1110350 + ... + 1112196.

It is an arithmetic number, because the mean of its divisors is an integer number (137214000).

Almost surely, 2^2052521231 is an apocalyptic number.

2052521231 is a deficient number, since it is larger than the sum of its proper divisors (142902769).

2052521231 is a wasteful number, since it uses less digits than its factorization.

2052521231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2052521231 is about 45304.7594740332. The cubic root of 2052521231 is about 1270.8546608345.

Adding to 2052521231 its reverse (1321252502), we get a palindrome (3373773733).

The spelling of 2052521231 in words is "two billion, fifty-two million, five hundred twenty-one thousand, two hundred thirty-one".