361368481 has 2 divisors, whose sum is σ = 361368482. Its totient is φ = 361368480.

The previous prime is 361368437. The next prime is 361368493. The reversal of 361368481 is 184863163.

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., 287133025 + 74235456 = 16945^2 + 8616^2 .

It is an emirp because it is prime and its reverse (184863163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361368481 - 2⁹ = 361367969 is a prime.

It is a super-2 number, since 2×361368481² = 261174358120494722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361368421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180684240 + 180684241.

It is an arithmetic number, because the mean of its divisors is an integer number (180684241).

Almost surely, 2^361368481 is an apocalyptic number.

It is an amenable number.

361368481 is a deficient number, since it is larger than the sum of its proper divisors (1).

361368481 is an equidigital number, since it uses as much as digits as its factorization.

361368481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 361368481 is about 19009.6943952290. The cubic root of 361368481 is about 712.2789175978.

The spelling of 361368481 in words is "three hundred sixty-one million, three hundred sixty-eight thousand, four hundred eighty-one".