703081 has 2 divisors, whose sum is σ = 703082. Its totient is φ = 703080.

The previous prime is 703039. The next prime is 703117. The reversal of 703081 is 180307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467856 + 235225 = 684^2 + 485^2 .

It is an emirp because it is prime and its reverse (180307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 703081 - 2¹¹ = 701033 is a prime.

It is a super-2 number, since 2×703081² = 988645785122, which contains 22 as substring.

It is a Chen prime.

703081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (703981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351540 + 351541.

It is an arithmetic number, because the mean of its divisors is an integer number (351541).

2⁷⁰³⁰⁸¹ is an apocalyptic number.

It is an amenable number.

703081 is a deficient number, since it is larger than the sum of its proper divisors (1).

703081 is an equidigital number, since it uses as much as digits as its factorization.

703081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 703081 is about 838.4992546210. The cubic root of 703081 is about 88.9204777196.

Adding to 703081 its reverse (180307), we get a palindrome (883388).

The spelling of 703081 in words is "seven hundred three thousand, eighty-one".