190750531 has 2 divisors, whose sum is σ = 190750532. Its totient is φ = 190750530.

The previous prime is 190750529. The next prime is 190750543. The reversal of 190750531 is 135057091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190750531 - 2¹ = 190750529 is a prime.

It is a super-2 number, since 2×190750531² = 72771530153563922, which contains 22 as substring.

Together with 190750529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 190750493 and 190750502.

It is not a weakly prime, because it can be changed into another prime (190750631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95375265 + 95375266.

It is an arithmetic number, because the mean of its divisors is an integer number (95375266).

Almost surely, 2^190750531 is an apocalyptic number.

190750531 is a deficient number, since it is larger than the sum of its proper divisors (1).

190750531 is an equidigital number, since it uses as much as digits as its factorization.

190750531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 190750531 is about 13811.2465404105. The cubic root of 190750531 is about 575.6456827399.

The spelling of 190750531 in words is "one hundred ninety million, seven hundred fifty thousand, five hundred thirty-one".