352645081 has 2 divisors, whose sum is σ = 352645082. Its totient is φ = 352645080.

The previous prime is 352645063. The next prime is 352645109. The reversal of 352645081 is 180546253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349091856 + 3553225 = 18684^2 + 1885^2 .

It is an emirp because it is prime and its reverse (180546253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 352645081 - 2⁷ = 352644953 is a prime.

It is a super-2 number, since 2×352645081² = 248717106306993122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (352645031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176322540 + 176322541.

It is an arithmetic number, because the mean of its divisors is an integer number (176322541).

Almost surely, 2^352645081 is an apocalyptic number.

It is an amenable number.

352645081 is a deficient number, since it is larger than the sum of its proper divisors (1).

352645081 is an equidigital number, since it uses as much as digits as its factorization.

352645081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 352645081 is about 18778.8466365749. The cubic root of 352645081 is about 706.5007221548.

The spelling of 352645081 in words is "three hundred fifty-two million, six hundred forty-five thousand, eighty-one".