361155449 has 2 divisors, whose sum is σ = 361155450. Its totient is φ = 361155448.

The previous prime is 361155371. The next prime is 361155451. The reversal of 361155449 is 944551163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358155625 + 2999824 = 18925^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 361155449 - 2¹⁶ = 361089913 is a prime.

Together with 361155451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (361155479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180577724 + 180577725.

It is an arithmetic number, because the mean of its divisors is an integer number (180577725).

Almost surely, 2^361155449 is an apocalyptic number.

It is an amenable number.

361155449 is a deficient number, since it is larger than the sum of its proper divisors (1).

361155449 is an equidigital number, since it uses as much as digits as its factorization.

361155449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 361155449 is about 19004.0903228752. The cubic root of 361155449 is about 712.1389238081.

The spelling of 361155449 in words is "three hundred sixty-one million, one hundred fifty-five thousand, four hundred forty-nine".