513252233671 has 8 divisors (see below), whose sum is σ = 543462711120. Its totient is φ = 483043886208.

The previous prime is 513252233657. The next prime is 513252233687. The reversal of 513252233671 is 176332252315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513252233671 - 2³⁵ = 478892495303 is a prime.

It is a super-2 number, since 2×513252233671² (a number of 24 digits) contains 22 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 (513252233471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22416 + ... + 1013413.

It is an arithmetic number, because the mean of its divisors is an integer number (67932838890).

Almost surely, 2^513252233671 is an apocalyptic number.

513252233671 is a deficient number, since it is larger than the sum of its proper divisors (30210477449).

513252233671 is a wasteful number, since it uses less digits than its factorization.

513252233671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064993.

The product of its digits is 226800, while the sum is 40.

Adding to 513252233671 its reverse (176332252315), we get a palindrome (689584485986).

The spelling of 513252233671 in words is "five hundred thirteen billion, two hundred fifty-two million, two hundred thirty-three thousand, six hundred seventy-one".