712136533 has 4 divisors (see below), whose sum is σ = 712257228. Its totient is φ = 712015840.

The previous prime is 712136519. The next prime is 712136539. The reversal of 712136533 is 335631217.

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 251476164 + 460660369 = 15858^2 + 21463^2 .

It is a cyclic number.

It is not a de Polignac number, because 712136533 - 2¹⁷ = 712005461 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 712136495 and 712136504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712136539) 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, 51016 + ... + 63457.

It is an arithmetic number, because the mean of its divisors is an integer number (178064307).

Almost surely, 2^712136533 is an apocalyptic number.

It is an amenable number.

712136533 is a deficient number, since it is larger than the sum of its proper divisors (120695).

712136533 is a wasteful number, since it uses less digits than its factorization.

712136533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120694.

The product of its digits is 11340, while the sum is 31.

The square root of 712136533 is about 26685.8864008674. The cubic root of 712136533 is about 893.0060927201.

The spelling of 712136533 in words is "seven hundred twelve million, one hundred thirty-six thousand, five hundred thirty-three".