1996025 has 6 divisors (see below), whose sum is σ = 2475102. Its totient is φ = 1596800.

The previous prime is 1996019. The next prime is 1996061. The reversal of 1996025 is 5206991.

It can be written as a sum of positive squares in 3 ways, for example, as 243049 + 1752976 = 493^2 + 1324^2 .

It is not a de Polignac number, because 1996025 - 2⁸ = 1995769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1995982 and 1996000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39896 + ... + 39945.

It is an arithmetic number, because the mean of its divisors is an integer number (412517).

2^1996025 is an apocalyptic number.

It is an amenable number.

1996025 is a deficient number, since it is larger than the sum of its proper divisors (479077).

1996025 is an equidigital number, since it uses as much as digits as its factorization.

1996025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79851 (or 79846 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1996025 is about 1412.8074886551. The cubic root of 1996025 is about 125.9085798601.

The spelling of 1996025 in words is "one million, nine hundred ninety-six thousand, twenty-five".