190250531 has 4 divisors (see below), whose sum is σ = 190442352. Its totient is φ = 190058712.

The previous prime is 190250513. The next prime is 190250539. The reversal of 190250531 is 135052091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190250531 is a prime.

It is a super-2 number, since 2×190250531² = 72390529091563922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190250531.

It is not an unprimeable number, because it can be changed into a prime (190250539) 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 in 3 ways as a sum of consecutive naturals, for example, 94415 + ... + 96408.

It is an arithmetic number, because the mean of its divisors is an integer number (47610588).

Almost surely, 2^190250531 is an apocalyptic number.

190250531 is a deficient number, since it is larger than the sum of its proper divisors (191821).

190250531 is an equidigital number, since it uses as much as digits as its factorization.

190250531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191820.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 190250531 is about 13793.1334728553. The cubic root of 190250531 is about 575.1422770796.

The spelling of 190250531 in words is "one hundred ninety million, two hundred fifty thousand, five hundred thirty-one".