712205231 has 2 divisors, whose sum is σ = 712205232. Its totient is φ = 712205230.

The previous prime is 712205203. The next prime is 712205251. The reversal of 712205231 is 132502217.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 712205231 - 2⁶ = 712205167 is a prime.

It is a super-2 number, since 2×712205231² = 1014472582127526722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 712205197 and 712205206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712205251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356102615 + 356102616.

It is an arithmetic number, because the mean of its divisors is an integer number (356102616).

Almost surely, 2^712205231 is an apocalyptic number.

712205231 is a deficient number, since it is larger than the sum of its proper divisors (1).

712205231 is an equidigital number, since it uses as much as digits as its factorization.

712205231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 712205231 is about 26687.1735296191. The cubic root of 712205231 is about 893.0348071389.

Adding to 712205231 its reverse (132502217), we get a palindrome (844707448).

The spelling of 712205231 in words is "seven hundred twelve million, two hundred five thousand, two hundred thirty-one".