1965425 has 24 divisors (see below), whose sum is σ = 3041472. Its totient is φ = 1224000.

The previous prime is 1965413. The next prime is 1965427. The reversal of 1965425 is 5245691.

It is a happy number.

It is not a de Polignac number, because 1965425 - 2¹² = 1961329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1965391 and 1965400.

It is not an unprimeable number, because it can be changed into a prime (1965427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1415 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (126728).

2^1965425 is an apocalyptic number.

It is an amenable number.

1965425 is a deficient number, since it is larger than the sum of its proper divisors (1076047).

1965425 is a wasteful number, since it uses less digits than its factorization.

1965425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1044 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 1965425 is about 1401.9361611714. The cubic root of 1965425 is about 125.2618510890.

The spelling of 1965425 in words is "one million, nine hundred sixty-five thousand, four hundred twenty-five".