64001530 has 32 divisors (see below), whose sum is σ = 118039680. Its totient is φ = 24978240.

The previous prime is 64001507. The next prime is 64001537. The reversal of 64001530 is 3510046.

It is a junction number, because it is equal to n+sod(n) for n = 64001498 and 64001507.

It is not an unprimeable number, because it can be changed into a prime (64001537) 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, 76977 + ... + 77803.

It is an arithmetic number, because the mean of its divisors is an integer number (3688740).

Almost surely, 2^64001530 is an apocalyptic number.

64001530 is a deficient number, since it is larger than the sum of its proper divisors (54038150).

64001530 is a wasteful number, since it uses less digits than its factorization.

64001530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 64001530 is about 8000.0956244285. The cubic root of 64001530 is about 400.0031874746.

Adding to 64001530 its reverse (3510046), we get a palindrome (67511576).

The spelling of 64001530 in words is "sixty-four million, one thousand, five hundred thirty".