381025003 has 4 divisors (see below), whose sum is σ = 388214208. Its totient is φ = 373835800.

The previous prime is 381024991. The next prime is 381025037. The reversal of 381025003 is 300520183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381025003 is a prime.

It is a super-2 number, since 2×381025003² = 290360105822300018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381025103) 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, 3594523 + ... + 3594628.

It is an arithmetic number, because the mean of its divisors is an integer number (97053552).

Almost surely, 2^381025003 is an apocalyptic number.

381025003 is a deficient number, since it is larger than the sum of its proper divisors (7189205).

381025003 is an equidigital number, since it uses as much as digits as its factorization.

381025003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7189204.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 381025003 is about 19519.8617566826. The cubic root of 381025003 is about 724.9663102855.

Adding to 381025003 its reverse (300520183), we get a palindrome (681545186).

The spelling of 381025003 in words is "three hundred eighty-one million, twenty-five thousand, three".