347312453 has 2 divisors, whose sum is σ = 347312454. Its totient is φ = 347312452.

The previous prime is 347312423. The next prime is 347312473. The reversal of 347312453 is 354213743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237838084 + 109474369 = 15422^2 + 10463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347312453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173656226 + 173656227.

It is an arithmetic number, because the mean of its divisors is an integer number (173656227).

Almost surely, 2^347312453 is an apocalyptic number.

It is an amenable number.

347312453 is a deficient number, since it is larger than the sum of its proper divisors (1).

347312453 is an equidigital number, since it uses as much as digits as its factorization.

347312453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 347312453 is about 18636.3208010594. The cubic root of 347312453 is about 702.9214320134.

The spelling of 347312453 in words is "three hundred forty-seven million, three hundred twelve thousand, four hundred fifty-three".