355421041 has 4 divisors (see below), whose sum is σ = 355459300. Its totient is φ = 355382784.

The previous prime is 355421029. The next prime is 355421051. The reversal of 355421041 is 140124553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 118722816 + 236698225 = 10896^2 + 15385^2 .

It is a cyclic number.

It is not a de Polignac number, because 355421041 - 2⁵ = 355421009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355420997 and 355421015.

It is not an unprimeable number, because it can be changed into a prime (355421051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4705 + ... + 27073.

It is an arithmetic number, because the mean of its divisors is an integer number (88864825).

Almost surely, 2^355421041 is an apocalyptic number.

It is an amenable number.

355421041 is a deficient number, since it is larger than the sum of its proper divisors (38259).

355421041 is a wasteful number, since it uses less digits than its factorization.

355421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38258.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 355421041 is about 18852.6136384322. The cubic root of 355421041 is about 708.3496954498.

Adding to 355421041 its reverse (140124553), we get a palindrome (495545594).

The spelling of 355421041 in words is "three hundred fifty-five million, four hundred twenty-one thousand, forty-one".