65065090 has 16 divisors (see below), whose sum is σ = 117283320. Its totient is φ = 25989120.

The previous prime is 65065087. The next prime is 65065123. The reversal of 65065090 is 9056056.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58079641 + 6985449 = 7621^2 + 2643^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460 + ... + 11920.

Almost surely, 2^65065090 is an apocalyptic number.

65065090 is a deficient number, since it is larger than the sum of its proper divisors (52218230).

65065090 is a wasteful number, since it uses less digits than its factorization.

65065090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237.

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

The square root of 65065090 is about 8066.2934486665. The cubic root of 65065090 is about 402.2067408492.

The spelling of 65065090 in words is "sixty-five million, sixty-five thousand, ninety".