52825729 has 4 divisors (see below), whose sum is σ = 57628080. Its totient is φ = 48023380.

The previous prime is 52825691. The next prime is 52825763. The reversal of 52825729 is 92752825.

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 a de Polignac number, because none of the positive numbers 2^k-52825729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52825691 and 52825700.

It is not an unprimeable number, because it can be changed into a prime (52825229) 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, 2401159 + ... + 2401180.

It is an arithmetic number, because the mean of its divisors is an integer number (14407020).

Almost surely, 2^52825729 is an apocalyptic number.

It is an amenable number.

52825729 is a deficient number, since it is larger than the sum of its proper divisors (4802351).

52825729 is a wasteful number, since it uses less digits than its factorization.

52825729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802350.

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

The square root of 52825729 is about 7268.1310527535. The cubic root of 52825729 is about 375.2164178929.

It can be divided in two parts, 5282 and 5729, that added together give a palindrome (11011).

The spelling of 52825729 in words is "fifty-two million, eight hundred twenty-five thousand, seven hundred twenty-nine".