354611321 has 4 divisors (see below), whose sum is σ = 356133492. Its totient is φ = 353089152.

The previous prime is 354611317. The next prime is 354611353. The reversal of 354611321 is 123116453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130210921 + 224400400 = 11411^2 + 14980^2 .

It is a cyclic number.

It is not a de Polignac number, because 354611321 - 2² = 354611317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354611371) 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, 760736 + ... + 761201.

It is an arithmetic number, because the mean of its divisors is an integer number (89033373).

Almost surely, 2^354611321 is an apocalyptic number.

It is an amenable number.

354611321 is a deficient number, since it is larger than the sum of its proper divisors (1522171).

354611321 is a wasteful number, since it uses less digits than its factorization.

354611321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522170.

The product of its digits is 2160, while the sum is 26.

The square root of 354611321 is about 18831.1263869159. The cubic root of 354611321 is about 707.8113658197.

Adding to 354611321 its reverse (123116453), we get a palindrome (477727774).

The spelling of 354611321 in words is "three hundred fifty-four million, six hundred eleven thousand, three hundred twenty-one".