71055525 has 12 divisors (see below), whose sum is σ = 117478592. Its totient is φ = 37896240.

The previous prime is 71055511. The next prime is 71055541. The reversal of 71055525 is 52555017.

It is not a de Polignac number, because 71055525 - 2¹⁷ = 70924453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71055492 and 71055501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473629 + ... + 473778.

Almost surely, 2^71055525 is an apocalyptic number.

71055525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71055525 is a deficient number, since it is larger than the sum of its proper divisors (46423067).

71055525 is a wasteful number, since it uses less digits than its factorization.

71055525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947420 (or 947415 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 71055525 is about 8429.4439318380. The cubic root of 71055525 is about 414.1896899639.

The spelling of 71055525 in words is "seventy-one million, fifty-five thousand, five hundred twenty-five".