353540641 has 2 divisors, whose sum is σ = 353540642. Its totient is φ = 353540640.

The previous prime is 353540633. The next prime is 353540651. The reversal of 353540641 is 146045353.

353540641 = 13295² + 13296².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176783616 + 176757025 = 13296^2 + 13295^2 .

It is a cyclic number.

It is not a de Polignac number, because 353540641 - 2³ = 353540633 is a prime.

It is not a weakly prime, because it can be changed into another prime (353540611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176770320 + 176770321.

It is an arithmetic number, because the mean of its divisors is an integer number (176770321).

Almost surely, 2^353540641 is an apocalyptic number.

353540641 is the 13296-th centered square number.

It is an amenable number.

353540641 is a deficient number, since it is larger than the sum of its proper divisors (1).

353540641 is an equidigital number, since it uses as much as digits as its factorization.

353540641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 353540641 is about 18802.6764318275. The cubic root of 353540641 is about 707.0982813555.

Adding to 353540641 its reverse (146045353), we get a palindrome (499585994).

The spelling of 353540641 in words is "three hundred fifty-three million, five hundred forty thousand, six hundred forty-one".