75250577 has 2 divisors, whose sum is σ = 75250578. Its totient is φ = 75250576.

The previous prime is 75250561. The next prime is 75250589. The reversal of 75250577 is 77505257.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74666881 + 583696 = 8641^2 + 764^2 .

It is an emirp because it is prime and its reverse (77505257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75250577 - 2⁴ = 75250561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75250577.

It is not a weakly prime, because it can be changed into another prime (75250537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37625288 + 37625289.

It is an arithmetic number, because the mean of its divisors is an integer number (37625289).

Almost surely, 2^75250577 is an apocalyptic number.

It is an amenable number.

75250577 is a deficient number, since it is larger than the sum of its proper divisors (1).

75250577 is an equidigital number, since it uses as much as digits as its factorization.

75250577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 75250577 is about 8674.7090441121. The cubic root of 75250577 is about 422.1854657471.

The spelling of 75250577 in words is "seventy-five million, two hundred fifty thousand, five hundred seventy-seven".