99512961 has 8 divisors (see below), whose sum is σ = 134553024. Its totient is φ = 65407440.

The previous prime is 99512953. The next prime is 99512969. The reversal of 99512961 is 16921599.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99512953) and next prime (99512969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99512961 - 2³ = 99512953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99512969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233386 + ... + 233811.

It is an arithmetic number, because the mean of its divisors is an integer number (16819128).

Almost surely, 2^99512961 is an apocalyptic number.

It is an amenable number.

99512961 is a deficient number, since it is larger than the sum of its proper divisors (35040063).

99512961 is a wasteful number, since it uses less digits than its factorization.

99512961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467271.

The product of its digits is 43740, while the sum is 42.

The square root of 99512961 is about 9975.6183267004. The cubic root of 99512961 is about 463.4041117598.

The spelling of 99512961 in words is "ninety-nine million, five hundred twelve thousand, nine hundred sixty-one".