506432353 has 4 divisors (see below), whose sum is σ = 578779840. Its totient is φ = 434084868.

The previous prime is 506432351. The next prime is 506432359. The reversal of 506432353 is 353234605.

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 not a de Polignac number, because 506432353 - 2¹ = 506432351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506432351) 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, 36173733 + ... + 36173746.

It is an arithmetic number, because the mean of its divisors is an integer number (144694960).

Almost surely, 2^506432353 is an apocalyptic number.

It is an amenable number.

506432353 is a deficient number, since it is larger than the sum of its proper divisors (72347487).

506432353 is an equidigital number, since it uses as much as digits as its factorization.

506432353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72347486.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 506432353 is about 22504.0519240425. The cubic root of 506432353 is about 797.0896087221.

Adding to 506432353 its reverse (353234605), we get a palindrome (859666958).

The spelling of 506432353 in words is "five hundred six million, four hundred thirty-two thousand, three hundred fifty-three".