64361501 has 4 divisors (see below), whose sum is σ = 64415100. Its totient is φ = 64307904.

The previous prime is 64361491. The next prime is 64361503. The reversal of 64361501 is 10516346.

64361501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10516346 = 2 ⋅5258173.

It can be written as a sum of positive squares in 2 ways, for example, as 57365476 + 6996025 = 7574^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 64361501 - 2¹⁴ = 64345117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64361503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24956 + ... + 27413.

It is an arithmetic number, because the mean of its divisors is an integer number (16103775).

Almost surely, 2^64361501 is an apocalyptic number.

It is an amenable number.

64361501 is a deficient number, since it is larger than the sum of its proper divisors (53599).

64361501 is a wasteful number, since it uses less digits than its factorization.

64361501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53598.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 64361501 is about 8022.5619972675. The cubic root of 64361501 is about 400.7517135154.

Adding to 64361501 its reverse (10516346), we get a palindrome (74877847).

The spelling of 64361501 in words is "sixty-four million, three hundred sixty-one thousand, five hundred one".