2605971 has 8 divisors (see below), whose sum is σ = 3533760. Its totient is φ = 1707752.

The previous prime is 2605949. The next prime is 2605979. The reversal of 2605971 is 1795062.

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

It is a cyclic number.

It is not a de Polignac number, because 2605971 - 2¹³ = 2597779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2605979) 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, 7185 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (441720).

2^2605971 is an apocalyptic number.

2605971 is a deficient number, since it is larger than the sum of its proper divisors (927789).

2605971 is a wasteful number, since it uses less digits than its factorization.

2605971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2605971 is about 1614.3020163526. The cubic root of 2605971 is about 137.6120695144.

The spelling of 2605971 in words is "two million, six hundred five thousand, nine hundred seventy-one".