65026625 has 8 divisors (see below), whose sum is σ = 81153384. Its totient is φ = 52021200.

The previous prime is 65026609. The next prime is 65026669. The reversal of 65026625 is 52662056.

It can be written as a sum of positive squares in 4 ways, for example, as 15295921 + 49730704 = 3911^2 + 7052^2 .

It is not a de Polignac number, because 65026625 - 2⁴ = 65026609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65026591 and 65026600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259982 + ... + 260231.

It is an arithmetic number, because the mean of its divisors is an integer number (10144173).

Almost surely, 2^65026625 is an apocalyptic number.

It is an amenable number.

65026625 is a deficient number, since it is larger than the sum of its proper divisors (16126759).

65026625 is an equidigital number, since it uses as much as digits as its factorization.

65026625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520228 (or 520218 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 65026625 is about 8063.9087916469. The cubic root of 65026625 is about 402.1274667358.

The spelling of 65026625 in words is "sixty-five million, twenty-six thousand, six hundred twenty-five".