99610451 has 2 divisors, whose sum is σ = 99610452. Its totient is φ = 99610450.

The previous prime is 99610397. The next prime is 99610453. The reversal of 99610451 is 15401699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99610451 - 2¹⁰ = 99609427 is a prime.

Together with 99610453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99610453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49805225 + 49805226.

It is an arithmetic number, because the mean of its divisors is an integer number (49805226).

Almost surely, 2^99610451 is an apocalyptic number.

99610451 is a deficient number, since it is larger than the sum of its proper divisors (1).

99610451 is an equidigital number, since it uses as much as digits as its factorization.

99610451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 99610451 is about 9980.5035444110. The cubic root of 99610451 is about 463.5553902850. Note that the first 3 decimals are identical.

The spelling of 99610451 in words is "ninety-nine million, six hundred ten thousand, four hundred fifty-one".