2653905 has 8 divisors (see below), whose sum is σ = 4246272. Its totient is φ = 1415408.

The previous prime is 2653897. The next prime is 2653907. The reversal of 2653905 is 5093562.

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 2653905 - 2³ = 2653897 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2653907) 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, 88449 + ... + 88478.

It is an arithmetic number, because the mean of its divisors is an integer number (530784).

2^2653905 is an apocalyptic number.

It is an amenable number.

2653905 is a deficient number, since it is larger than the sum of its proper divisors (1592367).

2653905 is a wasteful number, since it uses less digits than its factorization.

2653905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176935.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 2653905 is about 1629.0810292923. The cubic root of 2653905 is about 138.4506899145.

The spelling of 2653905 in words is "two million, six hundred fifty-three thousand, nine hundred five".