534544021 has 4 divisors (see below), whose sum is σ = 583138944. Its totient is φ = 485949100.

The previous prime is 534544009. The next prime is 534544027. The reversal of 534544021 is 120445435.

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 534544021 - 2¹³ = 534535829 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 (534544027) 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, 24297445 + ... + 24297466.

It is an arithmetic number, because the mean of its divisors is an integer number (145784736).

Almost surely, 2^534544021 is an apocalyptic number.

It is an amenable number.

534544021 is a deficient number, since it is larger than the sum of its proper divisors (48594923).

534544021 is a wasteful number, since it uses less digits than its factorization.

534544021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48594922.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 534544021 is about 23120.2080656728. The cubic root of 534544021 is about 811.5734395794.

Adding to 534544021 its reverse (120445435), we get a palindrome (654989456).

It can be divided in two parts, 53454 and 4021, that added together give a palindrome (57475).

The spelling of 534544021 in words is "five hundred thirty-four million, five hundred forty-four thousand, twenty-one".