235522132513 has 16 divisors (see below), whose sum is σ = 254123906256. Its totient is φ = 217449256960.

The previous prime is 235522132511. The next prime is 235522132523. The reversal of 235522132513 is 315231225532.

It can be written as a sum of positive squares in 8 ways, for example, as 4836924304 + 230685208209 = 69548^2 + 480297^2 .

It is a cyclic number.

It is not a de Polignac number, because 235522132513 - 2¹ = 235522132511 is a prime.

It is a super-2 number, since 2×235522132513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235522132511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6462723 + ... + 6499063.

It is an arithmetic number, because the mean of its divisors is an integer number (15882744141).

Almost surely, 2^235522132513 is an apocalyptic number.

It is an amenable number.

235522132513 is a deficient number, since it is larger than the sum of its proper divisors (18601773743).

235522132513 is a wasteful number, since it uses less digits than its factorization.

235522132513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43604.

The product of its digits is 54000, while the sum is 34.

The spelling of 235522132513 in words is "two hundred thirty-five billion, five hundred twenty-two million, one hundred thirty-two thousand, five hundred thirteen".