712918253 has 4 divisors (see below), whose sum is σ = 735915648. Its totient is φ = 689920860.

The previous prime is 712918237. The next prime is 712918279. The reversal of 712918253 is 352819217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352819217 = 383 ⋅921199.

It is a cyclic number.

It is not a de Polignac number, because 712918253 - 2⁴ = 712918237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712918753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11498651 + ... + 11498712.

It is an arithmetic number, because the mean of its divisors is an integer number (183978912).

Almost surely, 2^712918253 is an apocalyptic number.

It is an amenable number.

712918253 is a deficient number, since it is larger than the sum of its proper divisors (22997395).

712918253 is a wasteful number, since it uses less digits than its factorization.

712918253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22997394.

The product of its digits is 30240, while the sum is 38.

The square root of 712918253 is about 26700.5290771550. The cubic root of 712918253 is about 893.3327273919.

The spelling of 712918253 in words is "seven hundred twelve million, nine hundred eighteen thousand, two hundred fifty-three".