2645375 has 8 divisors (see below), whose sum is σ = 3301584. Its totient is φ = 2116200.

The previous prime is 2645371. The next prime is 2645393. The reversal of 2645375 is 5735462.

It is not a de Polignac number, because 2645375 - 2² = 2645371 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 (2645371) 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, 10457 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (412698).

2^2645375 is an apocalyptic number.

2645375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2645375 is a deficient number, since it is larger than the sum of its proper divisors (656209).

2645375 is an equidigital number, since it uses as much as digits as its factorization.

2645375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21178 (or 21168 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 2645375 is about 1626.4608817921. The cubic root of 2645375 is about 138.3021977958.

The spelling of 2645375 in words is "two million, six hundred forty-five thousand, three hundred seventy-five".