4454381 has 2 divisors, whose sum is σ = 4454382. Its totient is φ = 4454380.

The previous prime is 4454377. The next prime is 4454383. The reversal of 4454381 is 1834544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3740356 + 714025 = 1934^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 4454381 - 2² = 4454377 is a prime.

It is a super-2 number, since 2×4454381² = 39683020186322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4454383, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227190 + 2227191.

It is an arithmetic number, because the mean of its divisors is an integer number (2227191).

Almost surely, 2^4454381 is an apocalyptic number.

It is an amenable number.

4454381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454381 is an equidigital number, since it uses as much as digits as its factorization.

4454381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

The square root of 4454381 is about 2110.5404521117. The cubic root of 4454381 is about 164.5365753552.

The spelling of 4454381 in words is "four million, four hundred fifty-four thousand, three hundred eighty-one".