75915097 has 2 divisors, whose sum is σ = 75915098. Its totient is φ = 75915096.

The previous prime is 75915079. The next prime is 75915113. The reversal of 75915097 is 79051957.

Together with previous prime (75915079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70879561 + 5035536 = 8419^2 + 2244^2 .

It is an emirp because it is prime and its reverse (79051957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75915097 - 2¹¹ = 75913049 is a prime.

It is not a weakly prime, because it can be changed into another prime (75915197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37957548 + 37957549.

It is an arithmetic number, because the mean of its divisors is an integer number (37957549).

Almost surely, 2^75915097 is an apocalyptic number.

It is an amenable number.

75915097 is a deficient number, since it is larger than the sum of its proper divisors (1).

75915097 is an equidigital number, since it uses as much as digits as its factorization.

75915097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 75915097 is about 8712.9270053180. The cubic root of 75915097 is about 423.4245653842.

The spelling of 75915097 in words is "seventy-five million, nine hundred fifteen thousand, ninety-seven".