525543315152441 has 4 divisors (see below), whose sum is σ = 529681451492352. Its totient is φ = 521405178812532.

The previous prime is 525543315152363. The next prime is 525543315152543. The reversal of 525543315152441 is 144251513345525.

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 525543315152441 - 2³⁴ = 525526135283257 is a prime.

It is a super-2 number, since 2×525543315152441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 525543315152441.

It is not an unprimeable number, because it can be changed into a prime (525543315652441) 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, 2069068169765 + ... + 2069068170018.

It is an arithmetic number, because the mean of its divisors is an integer number (132420362873088).

Almost surely, 2^{525543315152441} is an apocalyptic number.

It is an amenable number.

525543315152441 is a deficient number, since it is larger than the sum of its proper divisors (4138136339911).

525543315152441 is a wasteful number, since it uses less digits than its factorization.

525543315152441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138136339910.

The product of its digits is 7200000, while the sum is 50.

Adding to 525543315152441 its reverse (144251513345525), we get a palindrome (669794828497966).

The spelling of 525543315152441 in words is "five hundred twenty-five trillion, five hundred forty-three billion, three hundred fifteen million, one hundred fifty-two thousand, four hundred forty-one".