641053051 has 4 divisors (see below), whose sum is σ = 678762072. Its totient is φ = 603344032.

The previous prime is 641053043. The next prime is 641053097. The reversal of 641053051 is 150350146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 641053051 - 2³ = 641053043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641053031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18854485 + ... + 18854518.

It is an arithmetic number, because the mean of its divisors is an integer number (169690518).

Almost surely, 2^641053051 is an apocalyptic number.

641053051 is a deficient number, since it is larger than the sum of its proper divisors (37709021).

641053051 is a wasteful number, since it uses less digits than its factorization.

641053051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37709020.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 641053051 is about 25319.0254749270. The cubic root of 641053051 is about 862.2462690178.

The spelling of 641053051 in words is "six hundred forty-one million, fifty-three thousand, fifty-one".