319427453 has 2 divisors, whose sum is σ = 319427454. Its totient is φ = 319427452.

The previous prime is 319427417. The next prime is 319427491. The reversal of 319427453 is 354724913.

It is an a-pointer prime, because the next prime (319427491) can be obtained adding 319427453 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276956164 + 42471289 = 16642^2 + 6517^2 .

It is a cyclic number.

It is not a de Polignac number, because 319427453 - 2¹⁴ = 319411069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319423453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159713726 + 159713727.

It is an arithmetic number, because the mean of its divisors is an integer number (159713727).

Almost surely, 2^319427453 is an apocalyptic number.

It is an amenable number.

319427453 is a deficient number, since it is larger than the sum of its proper divisors (1).

319427453 is an equidigital number, since it uses as much as digits as its factorization.

319427453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 319427453 is about 17872.5334801757. The cubic root of 319427453 is about 683.5822011361.

The spelling of 319427453 in words is "three hundred nineteen million, four hundred twenty-seven thousand, four hundred fifty-three".