65105025 has 24 divisors (see below), whose sum is σ = 109472160. Its totient is φ = 34131840.

The previous prime is 65105023. The next prime is 65105057. The reversal of 65105025 is 52050156.

It is not a de Polignac number, because 65105025 - 2¹ = 65105023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65104986 and 65105004.

It is not an unprimeable number, because it can be changed into a prime (65105023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2932 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (4561340).

Almost surely, 2^65105025 is an apocalyptic number.

It is an amenable number.

65105025 is a deficient number, since it is larger than the sum of its proper divisors (44367135).

65105025 is a wasteful number, since it uses less digits than its factorization.

65105025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785 (or 14780 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 65105025 is about 8068.7684933948. The cubic root of 65105025 is about 402.2890114962.

The spelling of 65105025 in words is "sixty-five million, one hundred five thousand, twenty-five".