352765649 has 4 divisors (see below), whose sum is σ = 352842420. Its totient is φ = 352688880.

The previous prime is 352765643. The next prime is 352765663. The reversal of 352765649 is 946567253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 946567253 = 101 ⋅9371953.

It can be written as a sum of positive squares in 2 ways, for example, as 169650625 + 183115024 = 13025^2 + 13532^2 .

It is a cyclic number.

It is not a de Polignac number, because 352765649 - 2⁸ = 352765393 is a prime.

It is a super-2 number, since 2×352765649² = 248887206228782402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352765643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31022 + ... + 40839.

It is an arithmetic number, because the mean of its divisors is an integer number (88210605).

Almost surely, 2^352765649 is an apocalyptic number.

It is an amenable number.

352765649 is a deficient number, since it is larger than the sum of its proper divisors (76771).

352765649 is an equidigital number, since it uses as much as digits as its factorization.

352765649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76770.

The product of its digits is 1360800, while the sum is 47.

The square root of 352765649 is about 18782.0565700351. The cubic root of 352765649 is about 706.5812296090.

The spelling of 352765649 in words is "three hundred fifty-two million, seven hundred sixty-five thousand, six hundred forty-nine".