354302449 has 2 divisors, whose sum is σ = 354302450. Its totient is φ = 354302448.

The previous prime is 354302437. The next prime is 354302453. The reversal of 354302449 is 944203453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338302449 + 16000000 = 18393^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 354302449 - 2²¹ = 352205297 is a prime.

It is not a weakly prime, because it can be changed into another prime (354302479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177151224 + 177151225.

It is an arithmetic number, because the mean of its divisors is an integer number (177151225).

Almost surely, 2^354302449 is an apocalyptic number.

It is an amenable number.

354302449 is a deficient number, since it is larger than the sum of its proper divisors (1).

354302449 is an equidigital number, since it uses as much as digits as its factorization.

354302449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 354302449 is about 18822.9234976929. The cubic root of 354302449 is about 707.6058012060.

The spelling of 354302449 in words is "three hundred fifty-four million, three hundred two thousand, four hundred forty-nine".