352365661 has 4 divisors (see below), whose sum is σ = 353381472. Its totient is φ = 351349852.

The previous prime is 352365649. The next prime is 352365683. The reversal of 352365661 is 166563253.

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 352365661 - 2⁹ = 352365149 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 352365661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352365061) 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, 507385 + ... + 508078.

It is an arithmetic number, because the mean of its divisors is an integer number (88345368).

Almost surely, 2^352365661 is an apocalyptic number.

It is an amenable number.

352365661 is a deficient number, since it is larger than the sum of its proper divisors (1015811).

352365661 is a wasteful number, since it uses less digits than its factorization.

352365661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015810.

The product of its digits is 97200, while the sum is 37.

The square root of 352365661 is about 18771.4054082266. The cubic root of 352365661 is about 706.3140731177.

The spelling of 352365661 in words is "three hundred fifty-two million, three hundred sixty-five thousand, six hundred sixty-one".