653212099 has 2 divisors, whose sum is σ = 653212100. Its totient is φ = 653212098.

The previous prime is 653212081. The next prime is 653212117. The reversal of 653212099 is 990212356.

It is a balanced prime because it is at equal distance from previous prime (653212081) and next prime (653212117).

It is a cyclic number.

It is not a de Polignac number, because 653212099 - 2¹⁹ = 652687811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (653212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326606049 + 326606050.

It is an arithmetic number, because the mean of its divisors is an integer number (326606050).

Almost surely, 2^653212099 is an apocalyptic number.

653212099 is a deficient number, since it is larger than the sum of its proper divisors (1).

653212099 is an equidigital number, since it uses as much as digits as its factorization.

653212099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 653212099 is about 25558.0143790553. The cubic root of 653212099 is about 867.6636566111.

The spelling of 653212099 in words is "six hundred fifty-three million, two hundred twelve thousand, ninety-nine".