190253 has 4 divisors (see below), whose sum is σ = 217440. Its totient is φ = 163068.

The previous prime is 190249. The next prime is 190261. The reversal of 190253 is 352091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352091 = 379 ⋅929.

It is a cyclic number.

It is not a de Polignac number, because 190253 - 2² = 190249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13583 + ... + 13596.

It is an arithmetic number, because the mean of its divisors is an integer number (54360).

2¹⁹⁰²⁵³ is an apocalyptic number.

It is an amenable number.

190253 is a deficient number, since it is larger than the sum of its proper divisors (27187).

190253 is an equidigital number, since it uses as much as digits as its factorization.

190253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27186.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 190253 is about 436.1800087120. The cubic root of 190253 is about 57.5144765062.

It can be divided in two parts, 19025 and 3, that multiplied together give a palindrome (57075).

The spelling of 190253 in words is "one hundred ninety thousand, two hundred fifty-three".