65265567 has 16 divisors (see below), whose sum is σ = 92822112. Its totient is φ = 40647680.

The previous prime is 65265539. The next prime is 65265581. The reversal of 65265567 is 76556256.

It is a happy number.

It is not a de Polignac number, because 65265567 - 2⁸ = 65265311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65265367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (5801382).

Almost surely, 2^65265567 is an apocalyptic number.

65265567 is a deficient number, since it is larger than the sum of its proper divisors (27556545).

65265567 is a wasteful number, since it uses less digits than its factorization.

65265567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498.

The product of its digits is 378000, while the sum is 42.

The square root of 65265567 is about 8078.7107263474. The cubic root of 65265567 is about 402.6194072382.

The spelling of 65265567 in words is "sixty-five million, two hundred sixty-five thousand, five hundred sixty-seven".