8111025 has 72 divisors (see below), whose sum is σ = 16248960. Its totient is φ = 3841920.

The previous prime is 8111021. The next prime is 8111053. The reversal of 8111025 is 5201118.

8111025 = T₇₉₃ + T₇₉₄ + ... + T₈₁₇.

It is not a de Polignac number, because 8111025 - 2² = 8111021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8110989 and 8111007.

It is not an unprimeable number, because it can be changed into a prime (8111021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 137446 + ... + 137504.

It is an arithmetic number, because the mean of its divisors is an integer number (225680).

Almost surely, 2^8111025 is an apocalyptic number.

It is an amenable number.

8111025 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

8111025 is a wasteful number, since it uses less digits than its factorization.

8111025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 8111025 is about 2847.9861305842. The cubic root of 8111025 is about 200.9209609783.

It can be divided in two parts, 81 and 11025, that multiplied together give a square (893025 = 945²).

The spelling of 8111025 in words is "eight million, one hundred eleven thousand, twenty-five".