352405231 has 2 divisors, whose sum is σ = 352405232. Its totient is φ = 352405230.

The previous prime is 352405213. The next prime is 352405243. The reversal of 352405231 is 132504253.

Together with previous prime (352405213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 352405231 - 2⁹ = 352404719 is a prime.

It is a super-2 number, since 2×352405231² = 248378893672326722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352405196 and 352405205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352405271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176202615 + 176202616.

It is an arithmetic number, because the mean of its divisors is an integer number (176202616).

Almost surely, 2^352405231 is an apocalyptic number.

352405231 is a deficient number, since it is larger than the sum of its proper divisors (1).

352405231 is an equidigital number, since it uses as much as digits as its factorization.

352405231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 352405231 is about 18772.4593753722. The cubic root of 352405231 is about 706.3405113747.

Adding to 352405231 its reverse (132504253), we get a palindrome (484909484).

The spelling of 352405231 in words is "three hundred fifty-two million, four hundred five thousand, two hundred thirty-one".