71023025 has 12 divisors (see below), whose sum is σ = 93249612. Its totient is φ = 53475840.

The previous prime is 71023019. The next prime is 71023039. The reversal of 71023025 is 52032017.

It can be written as a sum of positive squares in 6 ways, for example, as 446224 + 70576801 = 668^2 + 8401^2 .

It is not a de Polignac number, because 71023025 - 2¹⁰ = 71022001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71022988 and 71023006.

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, 83132 + ... + 83981.

It is an arithmetic number, because the mean of its divisors is an integer number (7770801).

Almost surely, 2^71023025 is an apocalyptic number.

It is an amenable number.

71023025 is a deficient number, since it is larger than the sum of its proper divisors (22226587).

71023025 is a wasteful number, since it uses less digits than its factorization.

71023025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167140 (or 167135 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 71023025 is about 8427.5159448084. The cubic root of 71023025 is about 414.1265317611.

The spelling of 71023025 in words is "seventy-one million, twenty-three thousand, twenty-five".