65258073 has 6 divisors (see below), whose sum is σ = 94261674. Its totient is φ = 43505376.

The previous prime is 65258021. The next prime is 65258077. The reversal of 65258073 is 37085256.

65258073 is a `hidden beast` number, since 6 + 5 + 2 + 580 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46621584 + 18636489 = 6828^2 + 4317^2 .

It is not a de Polignac number, because 65258073 - 2⁶ = 65258009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65258077) 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, 3625440 + ... + 3625457.

It is an arithmetic number, because the mean of its divisors is an integer number (15710279).

Almost surely, 2^65258073 is an apocalyptic number.

It is an amenable number.

65258073 is a deficient number, since it is larger than the sum of its proper divisors (29003601).

65258073 is a wasteful number, since it uses less digits than its factorization.

65258073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250903 (or 7250900 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 65258073 is about 8078.2469014013. The cubic root of 65258073 is about 402.6039966347.

It can be divided in two parts, 652580 and 73, that added together give a triangular number (652653 = T₁₁₄₂).

The spelling of 65258073 in words is "sixty-five million, two hundred fifty-eight thousand, seventy-three".