65189225 has 12 divisors (see below), whose sum is σ = 80942364. Its totient is φ = 52081920.

The previous prime is 65189213. The next prime is 65189231. The reversal of 65189225 is 52298156.

It can be written as a sum of positive squares in 6 ways, for example, as 5914624 + 59274601 = 2432^2 + 7699^2 .

It is not a de Polignac number, because 65189225 - 2¹⁴ = 65172841 is a prime.

It is a super-2 number, since 2×65189225² = 8499270112201250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26237 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (6745197).

Almost surely, 2^65189225 is an apocalyptic number.

It is an amenable number.

65189225 is a deficient number, since it is larger than the sum of its proper divisors (15753139).

65189225 is a wasteful number, since it uses less digits than its factorization.

65189225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3479 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 65189225 is about 8073.9844562645. The cubic root of 65189225 is about 402.4623629018.

The spelling of 65189225 in words is "sixty-five million, one hundred eighty-nine thousand, two hundred twenty-five".