65451001 has 16 divisors (see below), whose sum is σ = 82990080. Its totient is φ = 50132880.

The previous prime is 65450963. The next prime is 65451017. The reversal of 65451001 is 10015456.

It is not a de Polignac number, because 65451001 - 2⁷ = 65450873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65451091) 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, 2661 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (5186880).

Almost surely, 2^65451001 is an apocalyptic number.

It is an amenable number.

65451001 is a deficient number, since it is larger than the sum of its proper divisors (17539079).

65451001 is a wasteful number, since it uses less digits than its factorization.

65451001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 65451001 is about 8090.1792934397. The cubic root of 65451001 is about 403.0003571227. Note that the first 3 decimals are identical.

Adding to 65451001 its reverse (10015456), we get a palindrome (75466457).

The spelling of 65451001 in words is "sixty-five million, four hundred fifty-one thousand, one".