525503523000431 has 16 divisors (see below), whose sum is σ = 543366346285056. Its totient is φ = 507697669800000.

The previous prime is 525503523000409. The next prime is 525503523000439. The reversal of 525503523000431 is 134000325305525.

It is a cyclic number.

It is not a de Polignac number, because 525503523000431 - 2¹⁸ = 525503522738287 is a prime.

It is a super-2 number, since 2×525503523000431² (a number of 30 digits) contains 22 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 (525503523000439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442434826 + ... + 1442799096.

It is an arithmetic number, because the mean of its divisors is an integer number (33960396642816).

Almost surely, 2^{525503523000431} is an apocalyptic number.

525503523000431 is a deficient number, since it is larger than the sum of its proper divisors (17862823284625).

525503523000431 is a wasteful number, since it uses less digits than its factorization.

525503523000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442334.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 525503523000431 its reverse (134000325305525), we get a palindrome (659503848305956).

The spelling of 525503523000431 in words is "five hundred twenty-five trillion, five hundred three billion, five hundred twenty-three million, four hundred thirty-one", and thus it is an aban number.