354305453 has 2 divisors, whose sum is σ = 354305454. Its totient is φ = 354305452.

The previous prime is 354305431. The next prime is 354305473. The reversal of 354305453 is 354503453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316199524 + 38105929 = 17782^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 354305453 - 2⁶ = 354305389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354305473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177152726 + 177152727.

It is an arithmetic number, because the mean of its divisors is an integer number (177152727).

Almost surely, 2^354305453 is an apocalyptic number.

It is an amenable number.

354305453 is a deficient number, since it is larger than the sum of its proper divisors (1).

354305453 is an equidigital number, since it uses as much as digits as its factorization.

354305453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 32.

The square root of 354305453 is about 18823.0032938424. The cubic root of 354305453 is about 707.6078010434.

The spelling of 354305453 in words is "three hundred fifty-four million, three hundred five thousand, four hundred fifty-three".