2052085729 has 4 divisors (see below), whose sum is σ = 2064675376. Its totient is φ = 2039496084.

The previous prime is 2052085723. The next prime is 2052085741. The reversal of 2052085729 is 9275802502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2052085729 - 2¹³ = 2052077537 is a prime.

It is a super-2 number, since 2×2052085729² = 8422111678330922882, 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 = 2052085691 and 2052085700.

It is not an unprimeable number, because it can be changed into a prime (2052085723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6294579 + ... + 6294904.

It is an arithmetic number, because the mean of its divisors is an integer number (516168844).

Almost surely, 2^2052085729 is an apocalyptic number.

It is an amenable number.

2052085729 is a deficient number, since it is larger than the sum of its proper divisors (12589647).

2052085729 is a wasteful number, since it uses less digits than its factorization.

2052085729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589646.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 2052085729 is about 45299.9528586951. The cubic root of 2052085729 is about 1270.7647715661.

The spelling of 2052085729 in words is "two billion, fifty-two million, eighty-five thousand, seven hundred twenty-nine".