97748653 has 2 divisors, whose sum is σ = 97748654. Its totient is φ = 97748652.

The previous prime is 97748641. The next prime is 97748669. The reversal of 97748653 is 35684779.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66634569 + 31114084 = 8163^2 + 5578^2 .

It is a cyclic number.

It is not a de Polignac number, because 97748653 - 2⁵ = 97748621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97748597 and 97748606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97748683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48874326 + 48874327.

It is an arithmetic number, because the mean of its divisors is an integer number (48874327).

Almost surely, 2^97748653 is an apocalyptic number.

It is an amenable number.

97748653 is a deficient number, since it is larger than the sum of its proper divisors (1).

97748653 is an equidigital number, since it uses as much as digits as its factorization.

97748653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 97748653 is about 9886.7918456899. The cubic root of 97748653 is about 460.6491355172.

The spelling of 97748653 in words is "ninety-seven million, seven hundred forty-eight thousand, six hundred fifty-three".