6281540053 has 4 divisors (see below), whose sum is σ = 6323139808. Its totient is φ = 6239940300.

The previous prime is 6281540047. The next prime is 6281540081. The reversal of 6281540053 is 3500451826.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6281540053 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 (6281543053) 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, 20799651 + ... + 20799952.

It is an arithmetic number, because the mean of its divisors is an integer number (1580784952).

Almost surely, 2^6281540053 is an apocalyptic number.

It is an amenable number.

6281540053 is a deficient number, since it is larger than the sum of its proper divisors (41599755).

6281540053 is a wasteful number, since it uses less digits than its factorization.

6281540053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41599754.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 6281540053 is about 79256.1672868427. The cubic root of 6281540053 is about 1845.1090730482.

Adding to 6281540053 its reverse (3500451826), we get a palindrome (9781991879).

The spelling of 6281540053 in words is "six billion, two hundred eighty-one million, five hundred forty thousand, fifty-three".