352719397 has 2 divisors, whose sum is σ = 352719398. Its totient is φ = 352719396.

The previous prime is 352719391. The next prime is 352719413. The reversal of 352719397 is 793917253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303073281 + 49646116 = 17409^2 + 7046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352719397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352719391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176359698 + 176359699.

It is an arithmetic number, because the mean of its divisors is an integer number (176359699).

Almost surely, 2^352719397 is an apocalyptic number.

It is an amenable number.

352719397 is a deficient number, since it is larger than the sum of its proper divisors (1).

352719397 is an equidigital number, since it uses as much as digits as its factorization.

352719397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 46.

The square root of 352719397 is about 18780.8252481088. The cubic root of 352719397 is about 706.5503477063.

The spelling of 352719397 in words is "three hundred fifty-two million, seven hundred nineteen thousand, three hundred ninety-seven".