380125281 has 4 divisors (see below), whose sum is σ = 506833712. Its totient is φ = 253416852.

The previous prime is 380125261. The next prime is 380125303. The reversal of 380125281 is 182521083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182521083 = 3 ⋅60840361.

It is not a de Polignac number, because 380125281 - 2¹⁵ = 380092513 is a prime.

It is a super-2 number, since 2×380125281² = 288990458510657922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380125201) 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, 63354211 + ... + 63354216.

It is an arithmetic number, because the mean of its divisors is an integer number (126708428).

Almost surely, 2^380125281 is an apocalyptic number.

It is an amenable number.

380125281 is a deficient number, since it is larger than the sum of its proper divisors (126708431).

380125281 is a wasteful number, since it uses less digits than its factorization.

380125281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126708430.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 380125281 is about 19496.8018146567. The cubic root of 380125281 is about 724.3952347107.

The spelling of 380125281 in words is "three hundred eighty million, one hundred twenty-five thousand, two hundred eighty-one".