354020453 has 8 divisors (see below), whose sum is σ = 359609976. Its totient is φ = 348472000.

The previous prime is 354020441. The next prime is 354020503.

354020453 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 108847489 + 245172964 = 10433^2 + 15658^2 .

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 354020453 - 2⁴ = 354020437 is a prime.

It is a super-2 number, since 2×354020453² = 250660962284650418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354020353) 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, 7343 + ... + 27603.

It is an arithmetic number, because the mean of its divisors is an integer number (44951247).

Almost surely, 2^354020453 is an apocalyptic number.

It is an amenable number.

354020453 is a deficient number, since it is larger than the sum of its proper divisors (5589523).

354020453 is a wasteful number, since it uses less digits than its factorization.

354020453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20535.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 354020453 is about 18815.4312467187. The cubic root of 354020453 is about 707.4180191107.

The spelling of 354020453 in words is "three hundred fifty-four million, twenty thousand, four hundred fifty-three".