75131983 has 2 divisors, whose sum is σ = 75131984. Its totient is φ = 75131982.

The previous prime is 75131929. The next prime is 75132017. The reversal of 75131983 is 38913157.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75131983 - 2¹³ = 75123791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75131183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37565991 + 37565992.

It is an arithmetic number, because the mean of its divisors is an integer number (37565992).

Almost surely, 2^75131983 is an apocalyptic number.

75131983 is a deficient number, since it is larger than the sum of its proper divisors (1).

75131983 is an equidigital number, since it uses as much as digits as its factorization.

75131983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 75131983 is about 8667.8707304620. The cubic root of 75131983 is about 421.9635627367.

The spelling of 75131983 in words is "seventy-five million, one hundred thirty-one thousand, nine hundred eighty-three".