94155961 has 2 divisors, whose sum is σ = 94155962. Its totient is φ = 94155960.

The previous prime is 94155949. The next prime is 94155973. The reversal of 94155961 is 16955149.

It is a balanced prime because it is at equal distance from previous prime (94155949) and next prime (94155973).

It can be written as a sum of positive squares in only one way, i.e., 63297936 + 30858025 = 7956^2 + 5555^2 .

It is an emirp because it is prime and its reverse (16955149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94155961 - 2⁷ = 94155833 is a prime.

It is not a weakly prime, because it can be changed into another prime (94155991) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47077980 + 47077981.

It is an arithmetic number, because the mean of its divisors is an integer number (47077981).

Almost surely, 2^94155961 is an apocalyptic number.

It is an amenable number.

94155961 is a deficient number, since it is larger than the sum of its proper divisors (1).

94155961 is an equidigital number, since it uses as much as digits as its factorization.

94155961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 40.

The square root of 94155961 is about 9703.3994558608. The cubic root of 94155961 is about 454.9349196456.

It can be divided in two parts, 9415 and 5961, that added together give a square (15376 = 124²).

The spelling of 94155961 in words is "ninety-four million, one hundred fifty-five thousand, nine hundred sixty-one".