65320501 has 4 divisors (see below), whose sum is σ = 65685600. Its totient is φ = 64955404.

The previous prime is 65320487. The next prime is 65320513. The reversal of 65320501 is 10502356.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65320501 - 2¹³ = 65312309 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 (65320531) 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, 182281 + ... + 182638.

It is an arithmetic number, because the mean of its divisors is an integer number (16421400).

Almost surely, 2^65320501 is an apocalyptic number.

It is an amenable number.

65320501 is a deficient number, since it is larger than the sum of its proper divisors (365099).

65320501 is a wasteful number, since it uses less digits than its factorization.

65320501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365098.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 65320501 is about 8082.1099349118. The cubic root of 65320501 is about 402.7323370878.

Adding to 65320501 its reverse (10502356), we get a palindrome (75822857).

The spelling of 65320501 in words is "sixty-five million, three hundred twenty thousand, five hundred one".