190252585 has 8 divisors (see below), whose sum is σ = 229970376. Its totient is φ = 151090560.

The previous prime is 190252577. The next prime is 190252591. The reversal of 190252585 is 585252091.

It can be written as a sum of positive squares in 4 ways, for example, as 73547776 + 116704809 = 8576^2 + 10803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190252585 - 2³ = 190252577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138186 + ... + 139555.

It is an arithmetic number, because the mean of its divisors is an integer number (28746297).

Almost surely, 2^190252585 is an apocalyptic number.

It is an amenable number.

190252585 is a deficient number, since it is larger than the sum of its proper divisors (39717791).

190252585 is a wasteful number, since it uses less digits than its factorization.

190252585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277883.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 190252585 is about 13793.2079299922. The cubic root of 190252585 is about 575.1443468732.

The spelling of 190252585 in words is "one hundred ninety million, two hundred fifty-two thousand, five hundred eighty-five".