99951043 has 2 divisors, whose sum is σ = 99951044. Its totient is φ = 99951042.

The previous prime is 99951013. The next prime is 99951083. The reversal of 99951043 is 34015999.

It is an a-pointer prime, because the next prime (99951083) can be obtained adding 99951043 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99951043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99950987 and 99951005.

It is not a weakly prime, because it can be changed into another prime (99951013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49975521 + 49975522.

It is an arithmetic number, because the mean of its divisors is an integer number (49975522).

Almost surely, 2^99951043 is an apocalyptic number.

99951043 is a deficient number, since it is larger than the sum of its proper divisors (1).

99951043 is an equidigital number, since it uses as much as digits as its factorization.

99951043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 99951043 is about 9997.5518503282. The cubic root of 99951043 is about 464.0831249087.

The spelling of 99951043 in words is "ninety-nine million, nine hundred fifty-one thousand, forty-three".