532521404 has 12 divisors (see below), whose sum is σ = 934454304. Its totient is φ = 265534464.

The previous prime is 532521401. The next prime is 532521449. The reversal of 532521404 is 404125235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532521401) 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, 179909 + ... + 182844.

It is an arithmetic number, because the mean of its divisors is an integer number (77871192).

Almost surely, 2^532521404 is an apocalyptic number.

It is an amenable number.

532521404 is a deficient number, since it is larger than the sum of its proper divisors (401932900).

532521404 is a wasteful number, since it uses less digits than its factorization.

532521404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363124 (or 363122 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 532521404 is about 23076.4252864260. The cubic root of 532521404 is about 810.5485305505.

Adding to 532521404 its reverse (404125235), we get a palindrome (936646639).

The spelling of 532521404 in words is "five hundred thirty-two million, five hundred twenty-one thousand, four hundred four".