712243141 has 4 divisors (see below), whose sum is σ = 713522412. Its totient is φ = 710963872.

The previous prime is 712243111. The next prime is 712243151. The reversal of 712243141 is 141342217.

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 19448100 + 692795041 = 4410^2 + 26321^2 .

It is a cyclic number.

It is not a de Polignac number, because 712243141 - 2¹¹ = 712241093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712243111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638800 + ... + 639913.

It is an arithmetic number, because the mean of its divisors is an integer number (178380603).

Almost surely, 2^712243141 is an apocalyptic number.

It is an amenable number.

712243141 is a deficient number, since it is larger than the sum of its proper divisors (1279271).

712243141 is a wasteful number, since it uses less digits than its factorization.

712243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279270.

The product of its digits is 1344, while the sum is 25.

The square root of 712243141 is about 26687.8837864676. The cubic root of 712243141 is about 893.0506519859.

Adding to 712243141 its reverse (141342217), we get a palindrome (853585358).

The spelling of 712243141 in words is "seven hundred twelve million, two hundred forty-three thousand, one hundred forty-one".