5253731065 has 12 divisors (see below), whose sum is σ = 6929715492. Its totient is φ = 3820894880.

The previous prime is 5253731033. The next prime is 5253731069. The reversal of 5253731065 is 5601373525.

It can be written as a sum of positive squares in 2 ways, for example, as 2727763984 + 2525967081 = 52228^2 + 50259^2 .

It is not a de Polignac number, because 5253731065 - 2⁵ = 5253731033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5253731069) 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 11 ways as a sum of consecutive naturals, for example, 4341322 + ... + 4342531.

It is an arithmetic number, because the mean of its divisors is an integer number (577476291).

Almost surely, 2^5253731065 is an apocalyptic number.

5253731065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5253731065 is a deficient number, since it is larger than the sum of its proper divisors (1675984427).

5253731065 is a wasteful number, since it uses less digits than its factorization.

5253731065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683880 (or 8683869 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 5253731065 is about 72482.6259527068. The cubic root of 5253731065 is about 1738.4249481649.

The spelling of 5253731065 in words is "five billion, two hundred fifty-three million, seven hundred thirty-one thousand, sixty-five".