64201530 has 32 divisors (see below), whose sum is σ = 157365504. Its totient is φ = 16755776.

The previous prime is 64201523. The next prime is 64201541. The reversal of 64201530 is 3510246.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64201497 and 64201506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21357 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (4917672).

Almost surely, 2^64201530 is an apocalyptic number.

64201530 is an abundant number, since it is smaller than the sum of its proper divisors (93163974).

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

64201530 is a wasteful number, since it uses less digits than its factorization.

64201530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45590.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 64201530 is about 8012.5857249704. The cubic root of 64201530 is about 400.4194142422.

Adding to 64201530 its reverse (3510246), we get a palindrome (67711776).

The spelling of 64201530 in words is "sixty-four million, two hundred one thousand, five hundred thirty".