71325361 has 8 divisors (see below), whose sum is σ = 72263240. Its totient is φ = 70391808.

The previous prime is 71325341. The next prime is 71325383. The reversal of 71325361 is 16352317.

It can be written as a sum of positive squares in 4 ways, for example, as 43033600 + 28291761 = 6560^2 + 5319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71325361 - 2⁵ = 71325329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71325311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43525 + ... + 45133.

It is an arithmetic number, because the mean of its divisors is an integer number (9032905).

Almost surely, 2^71325361 is an apocalyptic number.

It is an amenable number.

71325361 is a deficient number, since it is larger than the sum of its proper divisors (937879).

71325361 is a wasteful number, since it uses less digits than its factorization.

71325361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its digits is 3780, while the sum is 28.

The square root of 71325361 is about 8445.4343286772. The cubic root of 71325361 is about 414.7133279303.

Adding to 71325361 its reverse (16352317), we get a palindrome (87677678).

The spelling of 71325361 in words is "seventy-one million, three hundred twenty-five thousand, three hundred sixty-one".