65213465 has 4 divisors (see below), whose sum is σ = 78256164. Its totient is φ = 52170768.

The previous prime is 65213437. The next prime is 65213497. The reversal of 65213465 is 56431256.

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 12054784 + 53158681 = 3472^2 + 7291^2 .

It is a cyclic number.

It is not a de Polignac number, because 65213465 - 2¹² = 65209369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521342 + ... + 6521351.

It is an arithmetic number, because the mean of its divisors is an integer number (19564041).

Almost surely, 2^65213465 is an apocalyptic number.

It is an amenable number.

65213465 is a deficient number, since it is larger than the sum of its proper divisors (13042699).

65213465 is a wasteful number, since it uses less digits than its factorization.

65213465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042698.

The product of its digits is 21600, while the sum is 32.

The square root of 65213465 is about 8075.4854343253. The cubic root of 65213465 is about 402.5122406678.

The spelling of 65213465 in words is "sixty-five million, two hundred thirteen thousand, four hundred sixty-five".