1965925 has 24 divisors (see below), whose sum is σ = 2749824. Its totient is φ = 1383360.

The previous prime is 1965923. The next prime is 1965937. The reversal of 1965925 is 5295691.

It is not a de Polignac number, because 1965925 - 2¹ = 1965923 is a prime.

It is a super-2 number, since 2×1965925² = 7729722211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965923) 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, 7344 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2^1965925 is an apocalyptic number.

It is an amenable number.

1965925 is a deficient number, since it is larger than the sum of its proper divisors (783899).

1965925 is a wasteful number, since it uses less digits than its factorization.

1965925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 24300, while the sum is 37.

The square root of 1965925 is about 1402.1144746418. The cubic root of 1965925 is about 125.2724723059.

The spelling of 1965925 in words is "one million, nine hundred sixty-five thousand, nine hundred twenty-five".