97653109 has 2 divisors, whose sum is σ = 97653110. Its totient is φ = 97653108.

The previous prime is 97653107. The next prime is 97653113. The reversal of 97653109 is 90135679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 43850884 = 7335^2 + 6622^2 .

It is a cyclic number.

It is not a de Polignac number, because 97653109 - 2¹ = 97653107 is a prime.

It is a super-2 number, since 2×97653109² = 19072259394731762, which contains 22 as substring.

Together with 97653107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97653107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48826554 + 48826555.

It is an arithmetic number, because the mean of its divisors is an integer number (48826555).

Almost surely, 2^97653109 is an apocalyptic number.

It is an amenable number.

97653109 is a deficient number, since it is larger than the sum of its proper divisors (1).

97653109 is an equidigital number, since it uses as much as digits as its factorization.

97653109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 97653109 is about 9881.9587633222. The cubic root of 97653109 is about 460.4990000855.

The spelling of 97653109 in words is "ninety-seven million, six hundred fifty-three thousand, one hundred nine".