352805493 has 4 divisors (see below), whose sum is σ = 470407328. Its totient is φ = 235203660.

The previous prime is 352805477. The next prime is 352805501. The reversal of 352805493 is 394508253.

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 352805493 - 2⁴ = 352805477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352805413) 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, 58800913 + ... + 58800918.

It is an arithmetic number, because the mean of its divisors is an integer number (117601832).

Almost surely, 2^352805493 is an apocalyptic number.

It is an amenable number.

352805493 is a deficient number, since it is larger than the sum of its proper divisors (117601835).

352805493 is a wasteful number, since it uses less digits than its factorization.

352805493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117601834.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 352805493 is about 18783.1172333029. The cubic root of 352805493 is about 706.6078308033.

The spelling of 352805493 in words is "three hundred fifty-two million, eight hundred five thousand, four hundred ninety-three".