65280101 has 4 divisors (see below), whose sum is σ = 65467500. Its totient is φ = 65092704.

The previous prime is 65280091. The next prime is 65280109. The reversal of 65280101 is 10108256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29268100 + 36012001 = 5410^2 + 6001^2 .

It is a cyclic number.

It is not a de Polignac number, because 65280101 - 2²² = 61085797 is a prime.

It is a super-2 number, since 2×65280101² = 8522983173140402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65280109) 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, 93176 + ... + 93873.

It is an arithmetic number, because the mean of its divisors is an integer number (16366875).

Almost surely, 2^65280101 is an apocalyptic number.

It is an amenable number.

65280101 is a deficient number, since it is larger than the sum of its proper divisors (187399).

65280101 is a wasteful number, since it uses less digits than its factorization.

65280101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187398.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 65280101 is about 8079.6102009936. The cubic root of 65280101 is about 402.6492914810.

Adding to 65280101 its reverse (10108256), we get a palindrome (75388357).

The spelling of 65280101 in words is "sixty-five million, two hundred eighty thousand, one hundred one".