65193025 has 6 divisors (see below), whose sum is σ = 80839382. Its totient is φ = 52154400.

The previous prime is 65193019. The next prime is 65193041. The reversal of 65193025 is 52039156.

It can be written as a sum of positive squares in 3 ways, for example, as 51984 + 65141041 = 228^2 + 8071^2 .

It is not a de Polignac number, because 65193025 - 2¹¹ = 65190977 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

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 5 ways as a sum of consecutive naturals, for example, 1303836 + ... + 1303885.

Almost surely, 2^65193025 is an apocalyptic number.

It is an amenable number.

65193025 is a deficient number, since it is larger than the sum of its proper divisors (15646357).

65193025 is a wasteful number, since it uses less digits than its factorization.

65193025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607731 (or 2607726 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 65193025 is about 8074.2197765481. The cubic root of 65193025 is about 402.4701828406.

The spelling of 65193025 in words is "sixty-five million, one hundred ninety-three thousand, twenty-five".