4630561 has 4 divisors (see below), whose sum is σ = 4986772. Its totient is φ = 4274352.

The previous prime is 4630553. The next prime is 4630583. The reversal of 4630561 is 1650364.

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 1336336 + 3294225 = 1156^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4630561 - 2³ = 4630553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4630861) 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, 178086 + ... + 178111.

It is an arithmetic number, because the mean of its divisors is an integer number (1246693).

Almost surely, 2^4630561 is an apocalyptic number.

It is an amenable number.

4630561 is a deficient number, since it is larger than the sum of its proper divisors (356211).

4630561 is a wasteful number, since it uses less digits than its factorization.

4630561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356210.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4630561 is about 2151.8738345916. The cubic root of 4630561 is about 166.6778423617.

The spelling of 4630561 in words is "four million, six hundred thirty thousand, five hundred sixty-one".