352143481 has 2 divisors, whose sum is σ = 352143482. Its totient is φ = 352143480.

The previous prime is 352143461. The next prime is 352143503. The reversal of 352143481 is 184341253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188815081 + 163328400 = 13741^2 + 12780^2 .

It is a cyclic number.

It is not a de Polignac number, because 352143481 - 2¹⁵ = 352110713 is a prime.

It is a super-2 number, since 2×352143481² = 248010062421594722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (352143401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176071740 + 176071741.

It is an arithmetic number, because the mean of its divisors is an integer number (176071741).

Almost surely, 2^352143481 is an apocalyptic number.

It is an amenable number.

352143481 is a deficient number, since it is larger than the sum of its proper divisors (1).

352143481 is an equidigital number, since it uses as much as digits as its factorization.

352143481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 352143481 is about 18765.4864312120. The cubic root of 352143481 is about 706.1655892434.

The spelling of 352143481 in words is "three hundred fifty-two million, one hundred forty-three thousand, four hundred eighty-one".