190525 has 6 divisors (see below), whose sum is σ = 236282. Its totient is φ = 152400.

The previous prime is 190523. The next prime is 190529. The reversal of 190525 is 525091.

190525 = 75² + 76² + ... + 99².

It can be written as a sum of positive squares in 3 ways, for example, as 39204 + 151321 = 198^2 + 389^2 .

It is not a de Polignac number, because 190525 - 2¹ = 190523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190496 and 190505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3786 + ... + 3835.

2¹⁹⁰⁵²⁵ is an apocalyptic number.

It is an amenable number.

190525 is a deficient number, since it is larger than the sum of its proper divisors (45757).

190525 is an equidigital number, since it uses as much as digits as its factorization.

190525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631 (or 7626 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 190525 is about 436.4916952245. The cubic root of 190525 is about 57.5418724619.

The spelling of 190525 in words is "one hundred ninety thousand, five hundred twenty-five".