190825 has 12 divisors (see below), whose sum is σ = 251100. Its totient is φ = 143360.

The previous prime is 190823. The next prime is 190829. The reversal of 190825 is 528091.

It can be written as a sum of positive squares in 6 ways, for example, as 729 + 190096 = 27^2 + 436^2 .

It is not a de Polignac number, because 190825 - 2¹ = 190823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 190825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (20925).

2¹⁹⁰⁸²⁵ is an apocalyptic number.

It is an amenable number.

190825 is a deficient number, since it is larger than the sum of its proper divisors (60275).

190825 is a wasteful number, since it uses less digits than its factorization.

190825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 190825 is about 436.8352092037. The cubic root of 190825 is about 57.5720583678.

The spelling of 190825 in words is "one hundred ninety thousand, eight hundred twenty-five".