532421042 has 4 divisors (see below), whose sum is σ = 798631566. Its totient is φ = 266210520.

The previous prime is 532421033. The next prime is 532421101. The reversal of 532421042 is 240124235.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 476156041 + 56265001 = 21821^2 + 7501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 532420999 and 532421017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133105259 + ... + 133105262.

Almost surely, 2^532421042 is an apocalyptic number.

532421042 is a deficient number, since it is larger than the sum of its proper divisors (266210524).

532421042 is a wasteful number, since it uses less digits than its factorization.

532421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266210523.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 532421042 is about 23074.2506270518. The cubic root of 532421042 is about 810.4976071623.

Adding to 532421042 its reverse (240124235), we get a palindrome (772545277).

The spelling of 532421042 in words is "five hundred thirty-two million, four hundred twenty-one thousand, forty-two".