361481 has 2 divisors, whose sum is σ = 361482. Its totient is φ = 361480.

The previous prime is 361469. The next prime is 361499. The reversal of 361481 is 184163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259081 + 102400 = 509^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 361481 - 2¹⁰ = 360457 is a prime.

It is a super-2 number, since 2×361481² = 261337026722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361481.

It is not a weakly prime, because it can be changed into another prime (361411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180740 + 180741.

It is an arithmetic number, because the mean of its divisors is an integer number (180741).

2³⁶¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

361481 is a deficient number, since it is larger than the sum of its proper divisors (1).

361481 is an equidigital number, since it uses as much as digits as its factorization.

361481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 361481 is about 601.2328999647. The cubic root of 361481 is about 71.2352837155.

The spelling of 361481 in words is "three hundred sixty-one thousand, four hundred eighty-one".