2609375 has 14 divisors (see below), whose sum is σ = 3281208. Its totient is φ = 2075000.

The previous prime is 2609371. The next prime is 2609377. The reversal of 2609375 is 5739062.

It is not a de Polignac number, because 2609375 - 2² = 2609371 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 (2609371) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15542 + ... + 15708.

It is an arithmetic number, because the mean of its divisors is an integer number (234372).

2^2609375 is an apocalyptic number.

2609375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2609375 is a deficient number, since it is larger than the sum of its proper divisors (671833).

2609375 is an frugal number, since it uses more digits than its factorization.

2609375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2609375 is about 1615.3559979150. The cubic root of 2609375 is about 137.6719611597.

The spelling of 2609375 in words is "two million, six hundred nine thousand, three hundred seventy-five".