65213907 has 16 divisors (see below), whose sum is σ = 95413248. Its totient is φ = 39291680.

The previous prime is 65213891. The next prime is 65213917. The reversal of 65213907 is 70931256.

It is a cyclic number.

It is not a de Polignac number, because 65213907 - 2⁴ = 65213891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (65213917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (5963328).

Almost surely, 2^65213907 is an apocalyptic number.

65213907 is a deficient number, since it is larger than the sum of its proper divisors (30199341).

65213907 is a wasteful number, since it uses less digits than its factorization.

65213907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 65213907 is about 8075.5128010548. The cubic root of 65213907 is about 402.5131500404.

The spelling of 65213907 in words is "sixty-five million, two hundred thirteen thousand, nine hundred seven".