363964481 has 2 divisors, whose sum is σ = 363964482. Its totient is φ = 363964480.

The previous prime is 363964477. The next prime is 363964507. The reversal of 363964481 is 184469363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361608256 + 2356225 = 19016^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 363964481 - 2² = 363964477 is a prime.

It is a super-2 number, since 2×363964481² = 264940286859198722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (363964681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181982240 + 181982241.

It is an arithmetic number, because the mean of its divisors is an integer number (181982241).

Almost surely, 2^363964481 is an apocalyptic number.

It is an amenable number.

363964481 is a deficient number, since it is larger than the sum of its proper divisors (1).

363964481 is an equidigital number, since it uses as much as digits as its factorization.

363964481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 363964481 is about 19077.8531549019. The cubic root of 363964481 is about 713.9804733549.

The spelling of 363964481 in words is "three hundred sixty-three million, nine hundred sixty-four thousand, four hundred eighty-one".