354404453 has 8 divisors (see below), whose sum is σ = 385169400. Its totient is φ = 324139968.

The previous prime is 354404443. The next prime is 354404459.

354404453 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 65642404 + 288762049 = 8102^2 + 16993^2 .

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 354404453 - 2¹⁶ = 354338917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354404459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123638 + ... + 126471.

It is an arithmetic number, because the mean of its divisors is an integer number (48146175).

Almost surely, 2^354404453 is an apocalyptic number.

It is an amenable number.

354404453 is a deficient number, since it is larger than the sum of its proper divisors (30764947).

354404453 is a wasteful number, since it uses less digits than its factorization.

354404453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250231.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 354404453 is about 18825.6328711680. The cubic root of 354404453 is about 707.6737014766.

It can be divided in two parts, 35440 and 4453, that added together give a palindrome (39893).

The spelling of 354404453 in words is "three hundred fifty-four million, four hundred four thousand, four hundred fifty-three".