5352143521 has 4 divisors (see below), whose sum is σ = 5524793344. Its totient is φ = 5179493700.

The previous prime is 5352143501. The next prime is 5352143527. The reversal of 5352143521 is 1253412535.

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 5352143521 - 2¹³ = 5352135329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 172649791 = 5352143521 / (5 + 3 + 5 + 2 + 1 + 4 + 3 + 5 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5352143527) 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, 86324865 + ... + 86324926.

It is an arithmetic number, because the mean of its divisors is an integer number (1381198336).

Almost surely, 2^5352143521 is an apocalyptic number.

It is an amenable number.

5352143521 is a deficient number, since it is larger than the sum of its proper divisors (172649823).

5352143521 is a wasteful number, since it uses less digits than its factorization.

5352143521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172649822.

The product of its digits is 18000, while the sum is 31.

The square root of 5352143521 is about 73158.3455321401. The cubic root of 5352143521 is about 1749.2125459644.

The spelling of 5352143521 in words is "five billion, three hundred fifty-two million, one hundred forty-three thousand, five hundred twenty-one".