65412477 has 12 divisors (see below), whose sum is σ = 101752924. Its totient is φ = 40253760.

The previous prime is 65412469. The next prime is 65412491. The reversal of 65412477 is 77421456.

It can be written as a sum of positive squares in 2 ways, for example, as 36832761 + 28579716 = 6069^2 + 5346^2 .

It is not a de Polignac number, because 65412477 - 2³ = 65412469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65412467) 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 11 ways as a sum of consecutive naturals, for example, 279424 + ... + 279657.

Almost surely, 2^65412477 is an apocalyptic number.

It is an amenable number.

65412477 is a deficient number, since it is larger than the sum of its proper divisors (36340447).

65412477 is a wasteful number, since it uses less digits than its factorization.

65412477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559100 (or 559097 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 65412477 is about 8087.7980316029. The cubic root of 65412477 is about 402.9212738772.

It can be divided in two parts, 654 and 12477, that added together give a palindrome (13131).

The spelling of 65412477 in words is "sixty-five million, four hundred twelve thousand, four hundred seventy-seven".