71225 has 24 divisors (see below), whose sum is σ = 113088. Its totient is φ = 43200.

The previous prime is 71209. The next prime is 71233. The reversal of 71225 is 52217.

It is not a de Polignac number, because 71225 - 2⁴ = 71209 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1907 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (4712).

2⁷¹²²⁵ is an apocalyptic number.

It is an amenable number.

71225 is a deficient number, since it is larger than the sum of its proper divisors (41863).

71225 is a wasteful number, since it uses less digits than its factorization.

71225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 60 counting only the distinct ones).

The product of its digits is 140, while the sum is 17.

The square root of 71225 is about 266.8801229017. The cubic root of 71225 is about 41.4518724027.

It can be divided in two parts, 712 and 25, that added together give a palindrome (737).

The spelling of 71225 in words is "seventy-one thousand, two hundred twenty-five".