1703381 has 2 divisors, whose sum is σ = 1703382. Its totient is φ = 1703380.

The previous prime is 1703323. The next prime is 1703399. The reversal of 1703381 is 1833071.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522756 + 180625 = 1234^2 + 425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1703381 is a prime.

It is a super-2 number, since 2×1703381² = 5803013662322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₁₂₈₃₈₁ and since 1703381 and 128381 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1706381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851690 + 851691.

It is an arithmetic number, because the mean of its divisors is an integer number (851691).

2^1703381 is an apocalyptic number.

It is an amenable number.

1703381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1703381 is an equidigital number, since it uses as much as digits as its factorization.

1703381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1703381 is about 1305.1363913400. The cubic root of 1703381 is about 119.4273877132.

The spelling of 1703381 in words is "one million, seven hundred three thousand, three hundred eighty-one".