2005641053 has 8 divisors (see below), whose sum is σ = 2165057496. Its totient is φ = 1846958400.

The previous prime is 2005641017. The next prime is 2005641059. The reversal of 2005641053 is 3501465002.

It can be written as a sum of positive squares in 4 ways, for example, as 5583769 + 2000057284 = 2363^2 + 44722^2 .

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 2005641053 - 2⁸ = 2005640797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005641059) 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, 177758 + ... + 188703.

It is an arithmetic number, because the mean of its divisors is an integer number (270632187).

Almost surely, 2^2005641053 is an apocalyptic number.

It is an amenable number.

2005641053 is a deficient number, since it is larger than the sum of its proper divisors (159416443).

2005641053 is a wasteful number, since it uses less digits than its factorization.

2005641053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366895.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2005641053 is about 44784.3840305971. The cubic root of 2005641053 is about 1261.1044848578.

The spelling of 2005641053 in words is "two billion, five million, six hundred forty-one thousand, fifty-three".