2661275 has 6 divisors (see below), whose sum is σ = 3300012. Its totient is φ = 2129000.

The previous prime is 2661271. The next prime is 2661283. The reversal of 2661275 is 5721662.

It is not a de Polignac number, because 2661275 - 2² = 2661271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53201 + ... + 53250.

It is an arithmetic number, because the mean of its divisors is an integer number (550002).

2^2661275 is an apocalyptic number.

2661275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2661275 is a deficient number, since it is larger than the sum of its proper divisors (638737).

2661275 is a wasteful number, since it uses less digits than its factorization.

2661275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106461 (or 106456 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 2661275 is about 1631.3414725311. The cubic root of 2661275 is about 138.5787324898.

The spelling of 2661275 in words is "two million, six hundred sixty-one thousand, two hundred seventy-five".