380005451 has 4 divisors (see below), whose sum is σ = 434291952. Its totient is φ = 325718952.

The previous prime is 380005447. The next prime is 380005477. The reversal of 380005451 is 154500083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154500083 = 2243 ⋅68881.

It is a cyclic number.

It is not a de Polignac number, because 380005451 - 2² = 380005447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380005451.

It is not an unprimeable number, because it can be changed into a prime (380005421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27143240 + ... + 27143253.

It is an arithmetic number, because the mean of its divisors is an integer number (108572988).

Almost surely, 2^380005451 is an apocalyptic number.

380005451 is a deficient number, since it is larger than the sum of its proper divisors (54286501).

380005451 is an equidigital number, since it uses as much as digits as its factorization.

380005451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54286500.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 380005451 is about 19493.7285043165. The cubic root of 380005451 is about 724.3191077001.

The spelling of 380005451 in words is "three hundred eighty million, five thousand, four hundred fifty-one".