1600525 has 12 divisors (see below), whose sum is σ = 2014132. Its totient is φ = 1261440.

The previous prime is 1600519. The next prime is 1600531. The reversal of 1600525 is 5250061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1600519) and next prime (1600531).

It can be written as a sum of positive squares in 6 ways, for example, as 10404 + 1590121 = 102^2 + 1261^2 .

It is not a de Polignac number, because 1600525 - 2¹⁹ = 1076237 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387 + ... + 2263.

2^1600525 is an apocalyptic number.

It is an amenable number.

1600525 is a deficient number, since it is larger than the sum of its proper divisors (413607).

1600525 is an equidigital number, since it uses as much as digits as its factorization.

1600525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1600525 is about 1265.1185715181. The cubic root of 1600525 is about 116.9735007072.

Subtracting from 1600525 its product of nonzero digits (300), we obtain a square (1600225 = 1265²).

Adding to 1600525 its reverse (5250061), we get a palindrome (6850586).

The spelling of 1600525 in words is "one million, six hundred thousand, five hundred twenty-five".