99994751 has 2 divisors, whose sum is σ = 99994752. Its totient is φ = 99994750.

The previous prime is 99994723. The next prime is 99994759. The reversal of 99994751 is 15749999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99994751 - 2²⁶ = 32885887 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99994693 and 99994702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99994759) 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, 49997375 + 49997376.

It is an arithmetic number, because the mean of its divisors is an integer number (49997376).

Almost surely, 2^99994751 is an apocalyptic number.

99994751 is a deficient number, since it is larger than the sum of its proper divisors (1).

99994751 is an equidigital number, since it uses as much as digits as its factorization.

99994751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 53.

The square root of 99994751 is about 9999.7375465559. The cubic root of 99994751 is about 464.1507619859.

The spelling of 99994751 in words is "ninety-nine million, nine hundred ninety-four thousand, seven hundred fifty-one".