2053651 has 8 divisors (see below), whose sum is σ = 2196720. Its totient is φ = 1913088.

The previous prime is 2053643. The next prime is 2053661. The reversal of 2053651 is 1563502.

It is a happy number.

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 2053651 - 2³ = 2053643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053621) 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, 1255 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (274590).

2^2053651 is an apocalyptic number.

2053651 is a deficient number, since it is larger than the sum of its proper divisors (143069).

2053651 is a wasteful number, since it uses less digits than its factorization.

2053651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2053651 is about 1433.0565236584. The cubic root of 2053651 is about 127.1087790189.

It can be divided in two parts, 2053 and 651, that added together give a square (2704 = 52²).

The spelling of 2053651 in words is "two million, fifty-three thousand, six hundred fifty-one".