75522413 has 2 divisors, whose sum is σ = 75522414. Its totient is φ = 75522412.

The previous prime is 75522389. The next prime is 75522437. The reversal of 75522413 is 31422557.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (75522389) and next prime (75522437).

It can be written as a sum of positive squares in only one way, i.e., 68194564 + 7327849 = 8258^2 + 2707^2 .

It is an emirp because it is prime and its reverse (31422557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75522413 - 2⁸ = 75522157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75522443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37761206 + 37761207.

It is an arithmetic number, because the mean of its divisors is an integer number (37761207).

Almost surely, 2^75522413 is an apocalyptic number.

It is an amenable number.

75522413 is a deficient number, since it is larger than the sum of its proper divisors (1).

75522413 is an equidigital number, since it uses as much as digits as its factorization.

75522413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 75522413 is about 8690.3632260108. The cubic root of 75522413 is about 422.6932239442.

The spelling of 75522413 in words is "seventy-five million, five hundred twenty-two thousand, four hundred thirteen".