9941951 has 2 divisors, whose sum is σ = 9941952. Its totient is φ = 9941950.

The previous prime is 9941927. The next prime is 9941969. The reversal of 9941951 is 1591499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9941951 - 2¹⁰ = 9940927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9941851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970975 + 4970976.

It is an arithmetic number, because the mean of its divisors is an integer number (4970976).

Almost surely, 2^9941951 is an apocalyptic number.

9941951 is a deficient number, since it is larger than the sum of its proper divisors (1).

9941951 is an equidigital number, since it uses as much as digits as its factorization.

9941951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 38.

The square root of 9941951 is about 3153.0859487175. The cubic root of 9941951 is about 215.0257838196.

The spelling of 9941951 in words is "nine million, nine hundred forty-one thousand, nine hundred fifty-one".