2645105 has 8 divisors (see below), whose sum is σ = 3219264. Its totient is φ = 2086000.

The previous prime is 2645101. The next prime is 2645129. The reversal of 2645105 is 5015462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2645105 - 2² = 2645101 is a prime.

It is a super-2 number, since 2×2645105² = 13993160922050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2645101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (402408).

2^2645105 is an apocalyptic number.

It is an amenable number.

2645105 is a deficient number, since it is larger than the sum of its proper divisors (574159).

2645105 is an equidigital number, since it uses as much as digits as its factorization.

2645105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2645105 is about 1626.3778773704. The cubic root of 2645105 is about 138.2974923679.

The spelling of 2645105 in words is "two million, six hundred forty-five thousand, one hundred five".