353087249 has 2 divisors, whose sum is σ = 353087250. Its totient is φ = 353087248.

The previous prime is 353087221. The next prime is 353087321. The reversal of 353087249 is 942780353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296356225 + 56731024 = 17215^2 + 7532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353087249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (353087149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176543624 + 176543625.

It is an arithmetic number, because the mean of its divisors is an integer number (176543625).

Almost surely, 2^353087249 is an apocalyptic number.

It is an amenable number.

353087249 is a deficient number, since it is larger than the sum of its proper divisors (1).

353087249 is an equidigital number, since it uses as much as digits as its factorization.

353087249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 353087249 is about 18790.6159824525. The cubic root of 353087249 is about 706.7958834502.

The spelling of 353087249 in words is "three hundred fifty-three million, eighty-seven thousand, two hundred forty-nine".