712152609 has 16 divisors (see below), whose sum is σ = 1095724032. Its totient is φ = 402992208.

The previous prime is 712152607. The next prime is 712152619. The reversal of 712152609 is 906251217.

It is not a de Polignac number, because 712152609 - 2¹ = 712152607 is a prime.

It is a super-2 number, since 2×712152609² = 1014322677011013762, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 712152609.

It is not an unprimeable number, because it can be changed into a prime (712152607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162459 + ... + 166784.

It is an arithmetic number, because the mean of its divisors is an integer number (68482752).

Almost surely, 2^712152609 is an apocalyptic number.

It is an amenable number.

712152609 is a deficient number, since it is larger than the sum of its proper divisors (383571423).

712152609 is a wasteful number, since it uses less digits than its factorization.

712152609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329356.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 712152609 is about 26686.1876070749. The cubic root of 712152609 is about 893.0128123388.

The spelling of 712152609 in words is "seven hundred twelve million, one hundred fifty-two thousand, six hundred nine".