453172091 has 2 divisors, whose sum is σ = 453172092. Its totient is φ = 453172090.

The previous prime is 453172081. The next prime is 453172103. The reversal of 453172091 is 190271354.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453172091 is a prime.

It is a super-2 number, since 2×453172091² = 410729888122624562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (453172061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226586045 + 226586046.

It is an arithmetic number, because the mean of its divisors is an integer number (226586046).

Almost surely, 2^453172091 is an apocalyptic number.

453172091 is a deficient number, since it is larger than the sum of its proper divisors (1).

453172091 is an equidigital number, since it uses as much as digits as its factorization.

453172091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 453172091 is about 21287.8390401656. The cubic root of 453172091 is about 768.1058130348.

The spelling of 453172091 in words is "four hundred fifty-three million, one hundred seventy-two thousand, ninety-one".