917955061 has 2 divisors, whose sum is σ = 917955062. Its totient is φ = 917955060.

The previous prime is 917955019. The next prime is 917955083. The reversal of 917955061 is 160559719.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625750225 + 292204836 = 25015^2 + 17094^2 .

It is an emirp because it is prime and its reverse (160559719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 917955061 - 2¹⁷ = 917823989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 917954999 and 917955017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (917955011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458977530 + 458977531.

It is an arithmetic number, because the mean of its divisors is an integer number (458977531).

Almost surely, 2^917955061 is an apocalyptic number.

It is an amenable number.

917955061 is a deficient number, since it is larger than the sum of its proper divisors (1).

917955061 is an equidigital number, since it uses as much as digits as its factorization.

917955061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 917955061 is about 30297.7732020028. The cubic root of 917955061 is about 971.8676812013.

The spelling of 917955061 in words is "nine hundred seventeen million, nine hundred fifty-five thousand, sixty-one".