97286513 has 2 divisors, whose sum is σ = 97286514. Its totient is φ = 97286512.

The previous prime is 97286491. The next prime is 97286549. The reversal of 97286513 is 31568279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97278769 + 7744 = 9863^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 97286513 - 2²⁶ = 30177649 is a prime.

It is a super-2 number, since 2×97286513² = 18929331223398338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97289513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48643256 + 48643257.

It is an arithmetic number, because the mean of its divisors is an integer number (48643257).

Almost surely, 2^97286513 is an apocalyptic number.

It is an amenable number.

97286513 is a deficient number, since it is larger than the sum of its proper divisors (1).

97286513 is an equidigital number, since it uses as much as digits as its factorization.

97286513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 97286513 is about 9863.3925705104. The cubic root of 97286513 is about 459.9220299480.

The spelling of 97286513 in words is "ninety-seven million, two hundred eighty-six thousand, five hundred thirteen".