803164381 has 2 divisors, whose sum is σ = 803164382. Its totient is φ = 803164380.

The previous prime is 803164361. The next prime is 803164421. The reversal of 803164381 is 183461308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619561881 + 183602500 = 24891^2 + 13550^2 .

It is a cyclic number.

It is not a de Polignac number, because 803164381 - 2⁷ = 803164253 is a prime.

It is a super-2 number, since 2×803164381² = 1290146045814226322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803164361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401582190 + 401582191.

It is an arithmetic number, because the mean of its divisors is an integer number (401582191).

Almost surely, 2^803164381 is an apocalyptic number.

It is an amenable number.

803164381 is a deficient number, since it is larger than the sum of its proper divisors (1).

803164381 is an equidigital number, since it uses as much as digits as its factorization.

803164381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 803164381 is about 28340.1549219478. The cubic root of 803164381 is about 929.5401360783.

The spelling of 803164381 in words is "eight hundred three million, one hundred sixty-four thousand, three hundred eighty-one".