190425085 has 4 divisors (see below), whose sum is σ = 228510108. Its totient is φ = 152340064.

The previous prime is 190425031. The next prime is 190425101. The reversal of 190425085 is 580524091.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29997529 + 160427556 = 5477^2 + 12666^2 .

It is a cyclic number.

It is not a de Polignac number, because 190425085 - 2⁷ = 190424957 is a prime.

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 190425085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19042504 + ... + 19042513.

It is an arithmetic number, because the mean of its divisors is an integer number (57127527).

Almost surely, 2^190425085 is an apocalyptic number.

It is an amenable number.

190425085 is a deficient number, since it is larger than the sum of its proper divisors (38085023).

190425085 is an equidigital number, since it uses as much as digits as its factorization.

190425085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38085022.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 190425085 is about 13799.4595908680. The cubic root of 190425085 is about 575.3181201231.

The spelling of 190425085 in words is "one hundred ninety million, four hundred twenty-five thousand, eighty-five".