2063965 has 4 divisors (see below), whose sum is σ = 2476764. Its totient is φ = 1651168.

The previous prime is 2063939. The next prime is 2063983. The reversal of 2063965 is 5693602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5693602 = 2 ⋅2846801.

It can be written as a sum of positive squares in 2 ways, for example, as 329476 + 1734489 = 574^2 + 1317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063965 - 2⁵ = 2063933 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 3 ways as a sum of consecutive naturals, for example, 206392 + ... + 206401.

It is an arithmetic number, because the mean of its divisors is an integer number (619191).

2^2063965 is an apocalyptic number.

It is an amenable number.

2063965 is a deficient number, since it is larger than the sum of its proper divisors (412799).

2063965 is an equidigital number, since it uses as much as digits as its factorization.

2063965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412798.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 2063965 is about 1436.6506186265. The cubic root of 2063965 is about 127.3212155228.

The spelling of 2063965 in words is "two million, sixty-three thousand, nine hundred sixty-five".