361003 has 2 divisors, whose sum is σ = 361004. Its totient is φ = 361002.

The previous prime is 361001. The next prime is 361013. The reversal of 361003 is 300163.

It is a weak prime.

It is an emirp because it is prime and its reverse (300163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361003 - 2¹ = 361001 is a prime.

Together with 361001, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (361001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180501 + 180502.

It is an arithmetic number, because the mean of its divisors is an integer number (180502).

2³⁶¹⁰⁰³ is an apocalyptic number.

361003 is a deficient number, since it is larger than the sum of its proper divisors (1).

361003 is an equidigital number, since it uses as much as digits as its factorization.

361003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 361003 is about 600.8352519618. The cubic root of 361003 is about 71.2038708286.

Adding to 361003 its reverse (300163), we get a palindrome (661166).

The spelling of 361003 in words is "three hundred sixty-one thousand, three".