65393479 has 4 divisors (see below), whose sum is σ = 65681784. Its totient is φ = 65105176.

The previous prime is 65393431. The next prime is 65393527. The reversal of 65393479 is 97439356.

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

It is an interprime number because it is at equal distance from previous prime (65393431) and next prime (65393527).

It is a cyclic number.

It is not a de Polignac number, because 65393479 - 2²⁵ = 31839047 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 (65303479) 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, 143812 + ... + 144265.

It is an arithmetic number, because the mean of its divisors is an integer number (16420446).

Almost surely, 2^65393479 is an apocalyptic number.

65393479 is a deficient number, since it is larger than the sum of its proper divisors (288305).

65393479 is a wasteful number, since it uses less digits than its factorization.

65393479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288304.

The product of its digits is 612360, while the sum is 46.

The square root of 65393479 is about 8086.6234610003. The cubic root of 65393479 is about 402.8822627695.

It can be divided in two parts, 6539347 and 9, that added together give a palindrome (6539356).

The spelling of 65393479 in words is "sixty-five million, three hundred ninety-three thousand, four hundred seventy-nine".