506463641 has 4 divisors (see below), whose sum is σ = 506824500. Its totient is φ = 506102784.

The previous prime is 506463637. The next prime is 506463649. The reversal of 506463641 is 146364605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146364605 = 5 ⋅29272921.

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 468073225 = 6196^2 + 21635^2 .

It is a cyclic number.

It is not a de Polignac number, because 506463641 - 2² = 506463637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506463649) 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, 178316 + ... + 181133.

It is an arithmetic number, because the mean of its divisors is an integer number (126706125).

Almost surely, 2^506463641 is an apocalyptic number.

It is an amenable number.

506463641 is a deficient number, since it is larger than the sum of its proper divisors (360859).

506463641 is a wasteful number, since it uses less digits than its factorization.

506463641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360858.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 506463641 is about 22504.7470770058. The cubic root of 506463641 is about 797.1060234357.

The spelling of 506463641 in words is "five hundred six million, four hundred sixty-three thousand, six hundred forty-one".