4561000 has 32 divisors (see below), whose sum is σ = 10675080. Its totient is φ = 1824000.

The previous prime is 4560977. The next prime is 4561001. The reversal of 4561000 is 1654.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 3556996 = 1002^2 + 1886^2 .

It is not an unprimeable number, because it can be changed into a prime (4561001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 3280.

Almost surely, 2^4561000 is an apocalyptic number.

4561000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4561000 is an abundant number, since it is smaller than the sum of its proper divisors (6114080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4561000 is a wasteful number, since it uses less digits than its factorization.

4561000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582 (or 4568 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4561000 is about 2135.6497840236. The cubic root of 4561000 is about 165.8390077995.

Adding to 4561000 its reverse (1654), we get a palindrome (4562654).

The spelling of 4561000 in words is "four million, five hundred sixty-one thousand".