532555421 has 4 divisors (see below), whose sum is σ = 533478972. Its totient is φ = 531631872.

The previous prime is 532555381. The next prime is 532555453. The reversal of 532555421 is 124555235.

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

It can be written as a sum of positive squares in 2 ways, for example, as 401200900 + 131354521 = 20030^2 + 11461^2 .

It is a cyclic number.

It is not a de Polignac number, because 532555421 - 2⁶ = 532555357 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 (532555021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460910 + ... + 462063.

It is an arithmetic number, because the mean of its divisors is an integer number (133369743).

Almost surely, 2^532555421 is an apocalyptic number.

It is an amenable number.

532555421 is a deficient number, since it is larger than the sum of its proper divisors (923551).

532555421 is an equidigital number, since it uses as much as digits as its factorization.

532555421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923550.

The product of its digits is 30000, while the sum is 32.

The square root of 532555421 is about 23077.1623255547. The cubic root of 532555421 is about 810.5657892260.

The spelling of 532555421 in words is "five hundred thirty-two million, five hundred fifty-five thousand, four hundred twenty-one".