65230515 has 120 divisors (see below), whose sum is σ = 144009360. Its totient is φ = 28086912.

The previous prime is 65230489. The next prime is 65230523. The reversal of 65230515 is 51503256.

65230515 is a `hidden beast` number, since 652 + 3 + 0 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 65230515 - 2⁷ = 65230387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 376969 + ... + 377141.

It is an arithmetic number, because the mean of its divisors is an integer number (1200078).

Almost surely, 2^65230515 is an apocalyptic number.

65230515 is an abundant number, since it is smaller than the sum of its proper divisors (78778845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65230515 is a wasteful number, since it uses less digits than its factorization.

65230515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 65230515 is about 8076.5410294259. The cubic root of 65230515 is about 402.5473164286.

The spelling of 65230515 in words is "sixty-five million, two hundred thirty thousand, five hundred fifteen".