97540153 has 2 divisors, whose sum is σ = 97540154. Its totient is φ = 97540152.

The previous prime is 97540151. The next prime is 97540187. The reversal of 97540153 is 35104579.

It is an a-pointer prime, because the next prime (97540187) can be obtained adding 97540153 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93180409 + 4359744 = 9653^2 + 2088^2 .

It is an emirp because it is prime and its reverse (35104579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97540153 - 2¹ = 97540151 is a prime.

Together with 97540151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97540151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48770076 + 48770077.

It is an arithmetic number, because the mean of its divisors is an integer number (48770077).

Almost surely, 2^97540153 is an apocalyptic number.

It is an amenable number.

97540153 is a deficient number, since it is larger than the sum of its proper divisors (1).

97540153 is an equidigital number, since it uses as much as digits as its factorization.

97540153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 97540153 is about 9876.2418459655. The cubic root of 97540153 is about 460.3213774978.

The spelling of 97540153 in words is "ninety-seven million, five hundred forty thousand, one hundred fifty-three".