361548641 has 2 divisors, whose sum is σ = 361548642. Its totient is φ = 361548640.

The previous prime is 361548599. The next prime is 361548653. The reversal of 361548641 is 146845163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184552225 + 176996416 = 13585^2 + 13304^2 .

It is an emirp because it is prime and its reverse (146845163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361548641 - 2¹⁰ = 361547617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361548595 and 361548604.

It is not a weakly prime, because it can be changed into another prime (361548241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180774320 + 180774321.

It is an arithmetic number, because the mean of its divisors is an integer number (180774321).

Almost surely, 2^361548641 is an apocalyptic number.

It is an amenable number.

361548641 is a deficient number, since it is larger than the sum of its proper divisors (1).

361548641 is an equidigital number, since it uses as much as digits as its factorization.

361548641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 361548641 is about 19014.4324395970. The cubic root of 361548641 is about 712.3972666488.

The spelling of 361548641 in words is "three hundred sixty-one million, five hundred forty-eight thousand, six hundred forty-one".