352644641 has 4 divisors (see below), whose sum is σ = 352926000. Its totient is φ = 352363284.

The previous prime is 352644629. The next prime is 352644659. The reversal of 352644641 is 146446253.

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 a cyclic number.

It is not a de Polignac number, because 352644641 - 2⁶ = 352644577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351644641) 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, 138791 + ... + 141308.

It is an arithmetic number, because the mean of its divisors is an integer number (88231500).

Almost surely, 2^352644641 is an apocalyptic number.

It is an amenable number.

352644641 is a deficient number, since it is larger than the sum of its proper divisors (281359).

352644641 is a wasteful number, since it uses less digits than its factorization.

352644641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281358.

The product of its digits is 69120, while the sum is 35.

The square root of 352644641 is about 18778.8349212618. The cubic root of 352644641 is about 706.5004283179.

The spelling of 352644641 in words is "three hundred fifty-two million, six hundred forty-four thousand, six hundred forty-one".