65694125 has 16 divisors (see below), whose sum is σ = 93699840. Its totient is φ = 45046800.

The previous prime is 65694119. The next prime is 65694143. The reversal of 65694125 is 52149656.

It is not a de Polignac number, because 65694125 - 2¹² = 65690029 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36665 + ... + 38414.

It is an arithmetic number, because the mean of its divisors is an integer number (5856240).

Almost surely, 2^65694125 is an apocalyptic number.

It is an amenable number.

65694125 is a deficient number, since it is larger than the sum of its proper divisors (28005715).

65694125 is an equidigital number, since it uses as much as digits as its factorization.

65694125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75101 (or 75091 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 65694125 is about 8105.1912377192. The cubic root of 65694125 is about 403.4987349909.

The spelling of 65694125 in words is "sixty-five million, six hundred ninety-four thousand, one hundred twenty-five".