525544401323 has 4 divisors (see below), whose sum is σ = 525608664840. Its totient is φ = 525480137808.

The previous prime is 525544401253. The next prime is 525544401397. The reversal of 525544401323 is 323104445525.

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

It is a cyclic number.

It is not a de Polignac number, because 525544401323 - 2¹⁶ = 525544335787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525544401023) 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, 32119490 + ... + 32135847.

It is an arithmetic number, because the mean of its divisors is an integer number (131402166210).

Almost surely, 2^525544401323 is an apocalyptic number.

525544401323 is a deficient number, since it is larger than the sum of its proper divisors (64263517).

525544401323 is an equidigital number, since it uses as much as digits as its factorization.

525544401323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64263516.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 525544401323 its reverse (323104445525), we get a palindrome (848648846848).

The spelling of 525544401323 in words is "five hundred twenty-five billion, five hundred forty-four million, four hundred one thousand, three hundred twenty-three".