99912653 has 2 divisors, whose sum is σ = 99912654. Its totient is φ = 99912652.

The previous prime is 99912629. The next prime is 99912671. The reversal of 99912653 is 35621999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93450889 + 6461764 = 9667^2 + 2542^2 .

It is a cyclic number.

It is not a de Polignac number, because 99912653 - 2²² = 95718349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99912053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956326 + 49956327.

It is an arithmetic number, because the mean of its divisors is an integer number (49956327).

Almost surely, 2^99912653 is an apocalyptic number.

It is an amenable number.

99912653 is a deficient number, since it is larger than the sum of its proper divisors (1).

99912653 is an equidigital number, since it uses as much as digits as its factorization.

99912653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 44.

The square root of 99912653 is about 9995.6316958960. The cubic root of 99912653 is about 464.0237010411.

The spelling of 99912653 in words is "ninety-nine million, nine hundred twelve thousand, six hundred fifty-three".