52525252525253 has 4 divisors (see below), whose sum is σ = 52526674892940. Its totient is φ = 52523830157568.

The previous prime is 52525252525117. The next prime is 52525252525267. The reversal of 52525252525253 is 35252525252525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45519876972964 + 7005375552289 = 6746842^2 + 2646767^2 .

It is a cyclic number.

It is not a de Polignac number, because 52525252525253 - 2³⁰ = 52524178783429 is a prime.

It is a super-3 number, since 3×52525252525253³ (a number of 42 digits) contains 333 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 (52525252525853) 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, 711128450 + ... + 711202307.

It is an arithmetic number, because the mean of its divisors is an integer number (13131668723235).

Almost surely, 2^{52525252525253} is an apocalyptic number.

It is an amenable number.

52525252525253 is a deficient number, since it is larger than the sum of its proper divisors (1422367687).

52525252525253 is a wasteful number, since it uses less digits than its factorization.

52525252525253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422367686.

The product of its digits is 15000000, while the sum is 50.

Adding to 52525252525253 its reverse (35252525252525), we get a palindrome (87777777777778).

The spelling of 52525252525253 in words is "fifty-two trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-three".