71282325 has 48 divisors (see below), whose sum is σ = 121867200. Its totient is φ = 36748800.

The previous prime is 71282317. The next prime is 71282329. The reversal of 71282325 is 52328217.

It is not a de Polignac number, because 71282325 - 2³ = 71282317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71282292 and 71282301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71282329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393735 + ... + 393915.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^71282325 is an apocalyptic number.

71282325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71282325 is a deficient number, since it is larger than the sum of its proper divisors (50584875).

71282325 is a wasteful number, since it uses less digits than its factorization.

71282325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 71282325 is about 8442.8860586887. The cubic root of 71282325 is about 414.6299018139.

It can be divided in two parts, 7128 and 2325, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 71282325 in words is "seventy-one million, two hundred eighty-two thousand, three hundred twenty-five".