97287013 has 2 divisors, whose sum is σ = 97287014. Its totient is φ = 97287012.

The previous prime is 97286993. The next prime is 97287041. The reversal of 97287013 is 31078279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62441604 + 34845409 = 7902^2 + 5903^2 .

It is an emirp because it is prime and its reverse (31078279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97287013 - 2¹³ = 97278821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97281013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48643506 + 48643507.

It is an arithmetic number, because the mean of its divisors is an integer number (48643507).

Almost surely, 2^97287013 is an apocalyptic number.

It is an amenable number.

97287013 is a deficient number, since it is larger than the sum of its proper divisors (1).

97287013 is an equidigital number, since it uses as much as digits as its factorization.

97287013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 97287013 is about 9863.4179167264. The cubic root of 97287013 is about 459.9228178634.

The spelling of 97287013 in words is "ninety-seven million, two hundred eighty-seven thousand, thirteen".