641053461 has 4 divisors (see below), whose sum is σ = 854737952. Its totient is φ = 427368972.

The previous prime is 641053397. The next prime is 641053471. The reversal of 641053461 is 164350146.

641053461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 641053461 - 2⁶ = 641053397 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 (641053471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106842241 + ... + 106842246.

It is an arithmetic number, because the mean of its divisors is an integer number (213684488).

Almost surely, 2^641053461 is an apocalyptic number.

It is an amenable number.

641053461 is a deficient number, since it is larger than the sum of its proper divisors (213684491).

641053461 is a wasteful number, since it uses less digits than its factorization.

641053461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213684490.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 641053461 is about 25319.0335716038. The cubic root of 641053461 is about 862.2464528408.

The spelling of 641053461 in words is "six hundred forty-one million, fifty-three thousand, four hundred sixty-one".