75161903 has 2 divisors, whose sum is σ = 75161904. Its totient is φ = 75161902.

The previous prime is 75161851. The next prime is 75161909. The reversal of 75161903 is 30916157.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75161903 - 2¹⁰ = 75160879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75161903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75161909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37580951 + 37580952.

It is an arithmetic number, because the mean of its divisors is an integer number (37580952).

Almost surely, 2^75161903 is an apocalyptic number.

75161903 is a deficient number, since it is larger than the sum of its proper divisors (1).

75161903 is an equidigital number, since it uses as much as digits as its factorization.

75161903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 75161903 is about 8669.5964727316. The cubic root of 75161903 is about 422.0195685093.

The spelling of 75161903 in words is "seventy-five million, one hundred sixty-one thousand, nine hundred three".