253562126513 has 4 divisors (see below), whose sum is σ = 253566632820. Its totient is φ = 253557620208.

The previous prime is 253562126507. The next prime is 253562126533. The reversal of 253562126513 is 315621265352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159023095729 + 94539030784 = 398777^2 + 307472^2 .

It is a cyclic number.

It is not a de Polignac number, because 253562126513 - 2⁴ = 253562126497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253562126533) 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, 2167670 + ... + 2281647.

It is an arithmetic number, because the mean of its divisors is an integer number (63391658205).

Almost surely, 2^253562126513 is an apocalyptic number.

It is an amenable number.

253562126513 is a deficient number, since it is larger than the sum of its proper divisors (4506307).

253562126513 is an equidigital number, since it uses as much as digits as its factorization.

253562126513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506306.

The product of its digits is 324000, while the sum is 41.

The spelling of 253562126513 in words is "two hundred fifty-three billion, five hundred sixty-two million, one hundred twenty-six thousand, five hundred thirteen".