65475523 has 4 divisors (see below), whose sum is σ = 65867760. Its totient is φ = 65083288.

The previous prime is 65475493. The next prime is 65475581. The reversal of 65475523 is 32557456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65475523 - 2⁵ = 65475491 is a prime.

It is a super-2 number, since 2×65475523² = 8574088224247058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65475593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195868 + ... + 196201.

It is an arithmetic number, because the mean of its divisors is an integer number (16466940).

Almost surely, 2^65475523 is an apocalyptic number.

65475523 is a deficient number, since it is larger than the sum of its proper divisors (392237).

65475523 is a wasteful number, since it uses less digits than its factorization.

65475523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392236.

The product of its digits is 126000, while the sum is 37.

The square root of 65475523 is about 8091.6946927081. The cubic root of 65475523 is about 403.0506804724.

The spelling of 65475523 in words is "sixty-five million, four hundred seventy-five thousand, five hundred twenty-three".