53235025213 has 4 divisors (see below), whose sum is σ = 53323603228. Its totient is φ = 53146447200.

The previous prime is 53235025171. The next prime is 53235025231. The reversal of 53235025213 is 31252053235.

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 22577466564 + 30657558649 = 150258^2 + 175093^2 .

It is a cyclic number.

It is not a de Polignac number, because 53235025213 - 2³³ = 44645090621 is a prime.

It is a super-3 number, since 3×53235025213³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53235025253) 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, 44288106 + ... + 44289307.

It is an arithmetic number, because the mean of its divisors is an integer number (13330900807).

Almost surely, 2^53235025213 is an apocalyptic number.

It is an amenable number.

53235025213 is a deficient number, since it is larger than the sum of its proper divisors (88578015).

53235025213 is an equidigital number, since it uses as much as digits as its factorization.

53235025213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88578014.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 53235025213 its reverse (31252053235), we get a palindrome (84487078448).

The spelling of 53235025213 in words is "fifty-three billion, two hundred thirty-five million, twenty-five thousand, two hundred thirteen".