712261439 has 2 divisors, whose sum is σ = 712261440. Its totient is φ = 712261438.

The previous prime is 712261411. The next prime is 712261469. The reversal of 712261439 is 934162217.

It is a weak prime.

It is an emirp because it is prime and its reverse (934162217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712261439 - 2²⁰ = 711212863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 712261399 and 712261408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712261409) 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 as a sum of consecutive naturals, namely, 356130719 + 356130720.

It is an arithmetic number, because the mean of its divisors is an integer number (356130720).

Almost surely, 2^712261439 is an apocalyptic number.

712261439 is a deficient number, since it is larger than the sum of its proper divisors (1).

712261439 is an equidigital number, since it uses as much as digits as its factorization.

712261439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 712261439 is about 26688.2265990080. The cubic root of 712261439 is about 893.0582996088.

The spelling of 712261439 in words is "seven hundred twelve million, two hundred sixty-one thousand, four hundred thirty-nine".