5354231021 has 4 divisors (see below), whose sum is σ = 5354413344. Its totient is φ = 5354048700.

The previous prime is 5354231017. The next prime is 5354231033. The reversal of 5354231021 is 1201324535.

It is a happy number.

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 5354231021 - 2² = 5354231017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5354231081) 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, 35975 + ... + 109556.

It is an arithmetic number, because the mean of its divisors is an integer number (1338603336).

Almost surely, 2^5354231021 is an apocalyptic number.

It is an amenable number.

5354231021 is a deficient number, since it is larger than the sum of its proper divisors (182323).

5354231021 is a wasteful number, since it uses less digits than its factorization.

5354231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182322.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5354231021 is about 73172.6111396881. The cubic root of 5354231021 is about 1749.4399319048.

Adding to 5354231021 its reverse (1201324535), we get a palindrome (6555555556).

The spelling of 5354231021 in words is "five billion, three hundred fifty-four million, two hundred thirty-one thousand, twenty-one".