355241452021 has 8 divisors (see below), whose sum is σ = 365121999000. Its totient is φ = 345491773440.

The previous prime is 355241452009. The next prime is 355241452037. The reversal of 355241452021 is 120254142553.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42234771121 + 313006680900 = 205511^2 + 559470^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355241452021 - 2⁷ = 355241451893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355241452081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32711596 + ... + 32722453.

It is an arithmetic number, because the mean of its divisors is an integer number (45640249875).

Almost surely, 2^355241452021 is an apocalyptic number.

It is an amenable number.

355241452021 is a deficient number, since it is larger than the sum of its proper divisors (9880546979).

355241452021 is an equidigital number, since it uses as much as digits as its factorization.

355241452021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65434199.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 355241452021 its reverse (120254142553), we get a palindrome (475495594574).

The spelling of 355241452021 in words is "three hundred fifty-five billion, two hundred forty-one million, four hundred fifty-two thousand, twenty-one".