65351420 has 12 divisors (see below), whose sum is σ = 137238024. Its totient is φ = 26140560.

The previous prime is 65351411. The next prime is 65351423. The reversal of 65351420 is 2415356.

It is a self number, because there is not a number n which added to its sum of digits gives 65351420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65351423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633766 + ... + 1633805.

It is an arithmetic number, because the mean of its divisors is an integer number (11436502).

Almost surely, 2^65351420 is an apocalyptic number.

It is an amenable number.

65351420 is an abundant number, since it is smaller than the sum of its proper divisors (71886604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65351420 is a wasteful number, since it uses less digits than its factorization.

65351420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267580 (or 3267578 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 65351420 is about 8084.0225135758. The cubic root of 65351420 is about 402.7958705714.

Adding to 65351420 its reverse (2415356), we get a palindrome (67766776).

The spelling of 65351420 in words is "sixty-five million, three hundred fifty-one thousand, four hundred twenty".