712525823 has 4 divisors (see below), whose sum is σ = 712678560. Its totient is φ = 712373088.

The previous prime is 712525813. The next prime is 712525829. The reversal of 712525823 is 328525217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712525823 - 2¹² = 712521727 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 (712525829) 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, 69143 + ... + 78776.

It is an arithmetic number, because the mean of its divisors is an integer number (178169640).

Almost surely, 2^712525823 is an apocalyptic number.

712525823 is a deficient number, since it is larger than the sum of its proper divisors (152737).

712525823 is a wasteful number, since it uses less digits than its factorization.

712525823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152736.

The product of its digits is 33600, while the sum is 35.

The square root of 712525823 is about 26693.1793348039. The cubic root of 712525823 is about 893.1687839079.

The spelling of 712525823 in words is "seven hundred twelve million, five hundred twenty-five thousand, eight hundred twenty-three".