65050001 has 4 divisors (see below), whose sum is σ = 65646900. Its totient is φ = 64453104.

The previous prime is 65049989. The next prime is 65050009. The reversal of 65050001 is 10005056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45900625 + 19149376 = 6775^2 + 4376^2 .

It is a cyclic number.

It is not a de Polignac number, because 65050001 - 2¹⁸ = 64787857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65050009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298286 + ... + 298503.

It is an arithmetic number, because the mean of its divisors is an integer number (16411725).

Almost surely, 2^65050001 is an apocalyptic number.

It is an amenable number.

65050001 is a deficient number, since it is larger than the sum of its proper divisors (596899).

65050001 is a wasteful number, since it uses less digits than its factorization.

65050001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596898.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 65050001 is about 8065.3580825652. The cubic root of 65050001 is about 402.1756470286.

Adding to 65050001 its reverse (10005056), we get a palindrome (75055057).

The spelling of 65050001 in words is "sixty-five million, fifty thousand, one".