65120263 has 6 divisors (see below), whose sum is σ = 70515024. Its totient is φ = 60110856.

The previous prime is 65120261. The next prime is 65120267. The reversal of 65120263 is 36202156.

It is not a de Polignac number, because 65120263 - 2¹ = 65120261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65120261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192495 + ... + 192832.

It is an arithmetic number, because the mean of its divisors is an integer number (11752504).

Almost surely, 2^65120263 is an apocalyptic number.

65120263 is a deficient number, since it is larger than the sum of its proper divisors (5394761).

65120263 is a wasteful number, since it uses less digits than its factorization.

65120263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385353 (or 385340 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 65120263 is about 8069.7126962489. The cubic root of 65120263 is about 402.3203946435.

The spelling of 65120263 in words is "sixty-five million, one hundred twenty thousand, two hundred sixty-three".