361973 has 2 divisors, whose sum is σ = 361974. Its totient is φ = 361972.

The previous prime is 361967. The next prime is 361979. The reversal of 361973 is 379163.

It is a balanced prime because it is at equal distance from previous prime (361967) and next prime (361979).

It can be written as a sum of positive squares in only one way, i.e., 334084 + 27889 = 578^2 + 167^2 .

It is an emirp because it is prime and its reverse (379163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361973 - 2⁶ = 361909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180986 + 180987.

It is an arithmetic number, because the mean of its divisors is an integer number (180987).

2³⁶¹⁹⁷³ is an apocalyptic number.

It is an amenable number.

361973 is a deficient number, since it is larger than the sum of its proper divisors (1).

361973 is an equidigital number, since it uses as much as digits as its factorization.

361973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 29.

The square root of 361973 is about 601.6419200820. The cubic root of 361973 is about 71.2675877378.

The spelling of 361973 in words is "three hundred sixty-one thousand, nine hundred seventy-three".