711645225 has 12 divisors (see below), whose sum is σ = 1176586896. Its totient is φ = 379544080.

The previous prime is 711645223. The next prime is 711645229. The reversal of 711645225 is 522546117.

It is not a de Polignac number, because 711645225 - 2¹ = 711645223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (711645223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4744227 + ... + 4744376.

It is an arithmetic number, because the mean of its divisors is an integer number (98048908).

Almost surely, 2^711645225 is an apocalyptic number.

711645225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

711645225 is a deficient number, since it is larger than the sum of its proper divisors (464941671).

711645225 is a wasteful number, since it uses less digits than its factorization.

711645225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488616 (or 9488611 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 711645225 is about 26676.6794222969. The cubic root of 711645225 is about 892.8006817478.

The spelling of 711645225 in words is "seven hundred eleven million, six hundred forty-five thousand, two hundred twenty-five".