525435045873 has 4 divisors (see below), whose sum is σ = 700580061168. Its totient is φ = 350290030580.

The previous prime is 525435045869. The next prime is 525435045893. The reversal of 525435045873 is 378540534525.

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 525435045873 - 2² = 525435045869 is a prime.

It is a super-2 number, since 2×525435045873² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525435045803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87572507643 + ... + 87572507648.

It is an arithmetic number, because the mean of its divisors is an integer number (175145015292).

Almost surely, 2^525435045873 is an apocalyptic number.

It is an amenable number.

525435045873 is a deficient number, since it is larger than the sum of its proper divisors (175145015295).

525435045873 is a wasteful number, since it uses less digits than its factorization.

525435045873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175145015294.

The product of its (nonzero) digits is 10080000, while the sum is 51.

The spelling of 525435045873 in words is "five hundred twenty-five billion, four hundred thirty-five million, forty-five thousand, eight hundred seventy-three".