514064641 has 4 divisors (see below), whose sum is σ = 514130500. Its totient is φ = 513998784.

The previous prime is 514064597. The next prime is 514064659. The reversal of 514064641 is 146460415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146460415 = 5 ⋅29292083.

It can be written as a sum of positive squares in 2 ways, for example, as 161188416 + 352876225 = 12696^2 + 18785^2 .

It is a cyclic number.

It is not a de Polignac number, because 514064641 - 2⁹ = 514064129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514065641) 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, 19356 + ... + 37453.

It is an arithmetic number, because the mean of its divisors is an integer number (128532625).

Almost surely, 2^514064641 is an apocalyptic number.

It is an amenable number.

514064641 is a deficient number, since it is larger than the sum of its proper divisors (65859).

514064641 is an equidigital number, since it uses as much as digits as its factorization.

514064641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65858.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 514064641 is about 22672.9936488325. The cubic root of 514064641 is about 801.0738916550.

The spelling of 514064641 in words is "five hundred fourteen million, sixty-four thousand, six hundred forty-one".