75125837 has 2 divisors, whose sum is σ = 75125838. Its totient is φ = 75125836.

The previous prime is 75125783. The next prime is 75125861. The reversal of 75125837 is 73852157.

It is a happy number.

Together with previous prime (75125783) 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., 58690921 + 16434916 = 7661^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 75125837 - 2⁸ = 75125581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75125837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75125887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37562918 + 37562919.

It is an arithmetic number, because the mean of its divisors is an integer number (37562919).

Almost surely, 2^75125837 is an apocalyptic number.

It is an amenable number.

75125837 is a deficient number, since it is larger than the sum of its proper divisors (1).

75125837 is an equidigital number, since it uses as much as digits as its factorization.

75125837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 75125837 is about 8667.5161955430. The cubic root of 75125837 is about 421.9520565016.

The spelling of 75125837 in words is "seventy-five million, one hundred twenty-five thousand, eight hundred thirty-seven".