99613951 has 2 divisors, whose sum is σ = 99613952. Its totient is φ = 99613950.

The previous prime is 99613939. The next prime is 99613957. The reversal of 99613951 is 15931699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99613951 - 2⁷ = 99613823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99613898 and 99613907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99613957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49806975 + 49806976.

It is an arithmetic number, because the mean of its divisors is an integer number (49806976).

Almost surely, 2^99613951 is an apocalyptic number.

99613951 is a deficient number, since it is larger than the sum of its proper divisors (1).

99613951 is an equidigital number, since it uses as much as digits as its factorization.

99613951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 43.

The square root of 99613951 is about 9980.6788847252. The cubic root of 99613951 is about 463.5608195174.

The spelling of 99613951 in words is "ninety-nine million, six hundred thirteen thousand, nine hundred fifty-one".