2653945 has 16 divisors (see below), whose sum is σ = 3667968. Its totient is φ = 1805760.

The previous prime is 2653913. The next prime is 2653951. The reversal of 2653945 is 5493562.

It is not a de Polignac number, because 2653945 - 2⁵ = 2653913 is a prime.

It is a Duffinian number.

Its product of digits (32400) is a multiple of the sum of its prime divisors (600).

2653945 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2653945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6487 + ... + 6883.

It is an arithmetic number, because the mean of its divisors is an integer number (229248).

2^2653945 is an apocalyptic number.

It is an amenable number.

2653945 is a deficient number, since it is larger than the sum of its proper divisors (1014023).

2653945 is a wasteful number, since it uses less digits than its factorization.

2653945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 32400, while the sum is 34.

The square root of 2653945 is about 1629.0933061062. The cubic root of 2653945 is about 138.4513854933.

The spelling of 2653945 in words is "two million, six hundred fifty-three thousand, nine hundred forty-five".