65001545 has 16 divisors (see below), whose sum is σ = 89831808. Its totient is φ = 44229120.

The previous prime is 65001493. The next prime is 65001551. The reversal of 65001545 is 54510056.

It is not a de Polignac number, because 65001545 - 2⁶ = 65001481 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 2504 + ... + 11673.

It is an arithmetic number, because the mean of its divisors is an integer number (5614488).

Almost surely, 2^65001545 is an apocalyptic number.

It is an amenable number.

65001545 is a deficient number, since it is larger than the sum of its proper divisors (24830263).

65001545 is a wasteful number, since it uses less digits than its factorization.

65001545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14320.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 65001545 is about 8062.3535645617. The cubic root of 65001545 is about 402.0757614856.

The spelling of 65001545 in words is "sixty-five million, one thousand, five hundred forty-five".