2052312581 has 24 divisors (see below), whose sum is σ = 2326968000. Its totient is φ = 1807836800.

The previous prime is 2052312553. The next prime is 2052312593. The reversal of 2052312581 is 1852132502.

It is not a de Polignac number, because 2052312581 - 2¹⁰ = 2052311557 is a prime.

It is a super-2 number, since 2×2052312581² = 8423973860261763122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052312551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504845 + ... + 508893.

It is an arithmetic number, because the mean of its divisors is an integer number (96957000).

Almost surely, 2^2052312581 is an apocalyptic number.

It is an amenable number.

2052312581 is a deficient number, since it is larger than the sum of its proper divisors (274655419).

2052312581 is a wasteful number, since it uses less digits than its factorization.

2052312581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2052312581 is about 45302.4566773150. The cubic root of 2052312581 is about 1270.8115962681.

The spelling of 2052312581 in words is "two billion, fifty-two million, three hundred twelve thousand, five hundred eighty-one".