4672561 has 2 divisors, whose sum is σ = 4672562. Its totient is φ = 4672560.

The previous prime is 4672553. The next prime is 4672573. The reversal of 4672561 is 1652764.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4124961 + 547600 = 2031^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 4672561 - 2³ = 4672553 is a prime.

It is not a weakly prime, because it can be changed into another prime (4672531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336280 + 2336281.

It is an arithmetic number, because the mean of its divisors is an integer number (2336281).

Almost surely, 2^4672561 is an apocalyptic number.

It is an amenable number.

4672561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4672561 is an equidigital number, since it uses as much as digits as its factorization.

4672561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 4672561 is about 2161.6107420162. The cubic root of 4672561 is about 167.1802588240.

The spelling of 4672561 in words is "four million, six hundred seventy-two thousand, five hundred sixty-one".