354242453 has 4 divisors (see below), whose sum is σ = 366457740. Its totient is φ = 342027168.

The previous prime is 354242417. The next prime is 354242491.

354242453 is nontrivially palindromic in base 10.

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 150381169 + 203861284 = 12263^2 + 14278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354242453 is a prime.

It is a super-3 number, since 3×354242453³ (a number of 27 digits) contains 333 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 (353242453) 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, 6107600 + ... + 6107657.

It is an arithmetic number, because the mean of its divisors is an integer number (91614435).

Almost surely, 2^354242453 is an apocalyptic number.

It is an amenable number.

354242453 is a deficient number, since it is larger than the sum of its proper divisors (12215287).

354242453 is a wasteful number, since it uses less digits than its factorization.

354242453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215286.

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

The square root of 354242453 is about 18821.3297351701. The cubic root of 354242453 is about 707.5658580122.

The spelling of 354242453 in words is "three hundred fifty-four million, two hundred forty-two thousand, four hundred fifty-three".