352040881 has 2 divisors, whose sum is σ = 352040882. Its totient is φ = 352040880.

The previous prime is 352040851. The next prime is 352040917. The reversal of 352040881 is 188040253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351375025 + 665856 = 18745^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 352040881 - 2⁵ = 352040849 is a prime.

It is a super-2 number, since 2×352040881² = 247865563790512322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (352040851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176020440 + 176020441.

It is an arithmetic number, because the mean of its divisors is an integer number (176020441).

Almost surely, 2^352040881 is an apocalyptic number.

It is an amenable number.

352040881 is a deficient number, since it is larger than the sum of its proper divisors (1).

352040881 is an equidigital number, since it uses as much as digits as its factorization.

352040881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 352040881 is about 18762.7524899733. The cubic root of 352040881 is about 706.0970001303.

The spelling of 352040881 in words is "three hundred fifty-two million, forty thousand, eight hundred eighty-one".