65001536 has 28 divisors (see below), whose sum is σ = 130763772. Its totient is φ = 32053248.

The previous prime is 65001493. The next prime is 65001551. The reversal of 65001536 is 63510056.

It can be written as a sum of positive squares in 2 ways, for example, as 39438400 + 25563136 = 6280^2 + 5056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285 + ... + 11628.

Almost surely, 2^65001536 is an apocalyptic number.

It is an amenable number.

65001536 is an abundant number, since it is smaller than the sum of its proper divisors (65762236).

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

65001536 is a wasteful number, since it uses less digits than its factorization.

65001536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998 (or 13988 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 65001536 is about 8062.3530064120. The cubic root of 65001536 is about 402.0757429287.

The spelling of 65001536 in words is "sixty-five million, one thousand, five hundred thirty-six".