352004381 has 2 divisors, whose sum is σ = 352004382. Its totient is φ = 352004380.

The previous prime is 352004377. The next prime is 352004413. The reversal of 352004381 is 183400253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315595225 + 36409156 = 17765^2 + 6034^2 .

It is a cyclic number.

It is not a de Polignac number, because 352004381 - 2² = 352004377 is a prime.

It is a super-2 number, since 2×352004381² = 247814168486386322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 352004381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352004281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176002190 + 176002191.

It is an arithmetic number, because the mean of its divisors is an integer number (176002191).

Almost surely, 2^352004381 is an apocalyptic number.

It is an amenable number.

352004381 is a deficient number, since it is larger than the sum of its proper divisors (1).

352004381 is an equidigital number, since it uses as much as digits as its factorization.

352004381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 352004381 is about 18761.7797929727. The cubic root of 352004381 is about 706.0725963061.

The spelling of 352004381 in words is "three hundred fifty-two million, four thousand, three hundred eighty-one".