2609145 has 64 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 1080000.

The previous prime is 2609107. The next prime is 2609147. The reversal of 2609145 is 5419062.

It is not a de Polignac number, because 2609145 - 2⁶ = 2609081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2609147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10270 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2609145 is an apocalyptic number.

It is an amenable number.

2609145 is an abundant number, since it is smaller than the sum of its proper divisors (3196935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2609145 is a wasteful number, since it uses less digits than its factorization.

2609145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2609145 is about 1615.2848046088. The cubic root of 2609145 is about 137.6679160682.

The spelling of 2609145 in words is "two million, six hundred nine thousand, one hundred forty-five".