454859381 has 2 divisors, whose sum is σ = 454859382. Its totient is φ = 454859380.

The previous prime is 454859357. The next prime is 454859387. The reversal of 454859381 is 183958454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403608100 + 51251281 = 20090^2 + 7159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454859381 is a prime.

It is a super-2 number, since 2×454859381² = 413794112967406322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454859387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227429690 + 227429691.

It is an arithmetic number, because the mean of its divisors is an integer number (227429691).

Almost surely, 2^454859381 is an apocalyptic number.

It is an amenable number.

454859381 is a deficient number, since it is larger than the sum of its proper divisors (1).

454859381 is an equidigital number, since it uses as much as digits as its factorization.

454859381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 454859381 is about 21327.4325927900. The cubic root of 454859381 is about 769.0579252825.

The spelling of 454859381 in words is "four hundred fifty-four million, eight hundred fifty-nine thousand, three hundred eighty-one".