948780361 has 2 divisors, whose sum is σ = 948780362. Its totient is φ = 948780360.

The previous prime is 948780293. The next prime is 948780407. The reversal of 948780361 is 163087849.

948780361 = 21780² + 21781².

It is a happy number.

948780361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (948780407) can be obtained adding 948780361 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474411961 + 474368400 = 21781^2 + 21780^2 .

It is a cyclic number.

It is not a de Polignac number, because 948780361 - 2⁹ = 948779849 is a prime.

It is not a weakly prime, because it can be changed into another prime (948780661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474390180 + 474390181.

It is an arithmetic number, because the mean of its divisors is an integer number (474390181).

Almost surely, 2^948780361 is an apocalyptic number.

948780361 is the 21781-st centered square number.

It is an amenable number.

948780361 is a deficient number, since it is larger than the sum of its proper divisors (1).

948780361 is an equidigital number, since it uses as much as digits as its factorization.

948780361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 948780361 is about 30802.2785033835. The cubic root of 948780361 is about 982.6267035045.

The spelling of 948780361 in words is "nine hundred forty-eight million, seven hundred eighty thousand, three hundred sixty-one".