2634965 has 4 divisors (see below), whose sum is σ = 3161964. Its totient is φ = 2107968.

The previous prime is 2634953. The next prime is 2634967. The reversal of 2634965 is 5694362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5694362 = 2 ⋅2847181.

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 2149156 = 697^2 + 1466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2634965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263492 + ... + 263501.

It is an arithmetic number, because the mean of its divisors is an integer number (790491).

2^2634965 is an apocalyptic number.

It is an amenable number.

2634965 is a deficient number, since it is larger than the sum of its proper divisors (526999).

2634965 is an equidigital number, since it uses as much as digits as its factorization.

2634965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526998.

The product of its digits is 38880, while the sum is 35.

The square root of 2634965 is about 1623.2575273197. The cubic root of 2634965 is about 138.1205450950.

The spelling of 2634965 in words is "two million, six hundred thirty-four thousand, nine hundred sixty-five".