352324506621 has 4 divisors (see below), whose sum is σ = 469766008832. Its totient is φ = 234883004412.

The previous prime is 352324506617. The next prime is 352324506641. The reversal of 352324506621 is 126605423253.

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 352324506621 - 2² = 352324506617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 352324506621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352324506641) 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, 58720751101 + ... + 58720751106.

It is an arithmetic number, because the mean of its divisors is an integer number (117441502208).

Almost surely, 2^352324506621 is an apocalyptic number.

It is an amenable number.

352324506621 is a deficient number, since it is larger than the sum of its proper divisors (117441502211).

352324506621 is a wasteful number, since it uses less digits than its factorization.

352324506621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117441502210.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 352324506621 its reverse (126605423253), we get a palindrome (478929929874).

The spelling of 352324506621 in words is "three hundred fifty-two billion, three hundred twenty-four million, five hundred six thousand, six hundred twenty-one".