65213101 has 8 divisors (see below), whose sum is σ = 66074400. Its totient is φ = 64357680.

The previous prime is 65213089. The next prime is 65213123. The reversal of 65213101 is 10131256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65213101 - 2¹⁵ = 65180333 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 (65213131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23571 + ... + 26191.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2^65213101 is an apocalyptic number.

It is an amenable number.

65213101 is a deficient number, since it is larger than the sum of its proper divisors (861299).

65213101 is a wasteful number, since it uses less digits than its factorization.

65213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 65213101 is about 8075.4628969490. The cubic root of 65213101 is about 402.5114917697.

Adding to 65213101 its reverse (10131256), we get a palindrome (75344357).

The spelling of 65213101 in words is "sixty-five million, two hundred thirteen thousand, one hundred one".