525252525773 has 4 divisors (see below), whose sum is σ = 528598083420. Its totient is φ = 521906968128.

The previous prime is 525252525727. The next prime is 525252525781. The reversal of 525252525773 is 377525252525.

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 55442353444 + 469810172329 = 235462^2 + 685427^2 .

It is a cyclic number.

It is not a de Polignac number, because 525252525773 - 2¹⁶ = 525252460237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525252525673) 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, 1672778588 + ... + 1672778901.

It is an arithmetic number, because the mean of its divisors is an integer number (132149520855).

Almost surely, 2^525252525773 is an apocalyptic number.

It is an amenable number.

525252525773 is a deficient number, since it is larger than the sum of its proper divisors (3345557647).

525252525773 is a wasteful number, since it uses less digits than its factorization.

525252525773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345557646.

The product of its digits is 7350000, while the sum is 50.

The spelling of 525252525773 in words is "five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, seven hundred seventy-three".