452178319 has 2 divisors, whose sum is σ = 452178320. Its totient is φ = 452178318.

The previous prime is 452178317. The next prime is 452178323. The reversal of 452178319 is 913871254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452178319 - 2¹ = 452178317 is a prime.

It is a super-2 number, since 2×452178319² = 408930464347331522, which contains 22 as substring.

Together with 452178317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452178317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226089159 + 226089160.

It is an arithmetic number, because the mean of its divisors is an integer number (226089160).

Almost surely, 2^452178319 is an apocalyptic number.

452178319 is a deficient number, since it is larger than the sum of its proper divisors (1).

452178319 is an equidigital number, since it uses as much as digits as its factorization.

452178319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 452178319 is about 21264.4849220478. The cubic root of 452178319 is about 767.5439362003.

The spelling of 452178319 in words is "four hundred fifty-two million, one hundred seventy-eight thousand, three hundred nineteen".