4150561 has 4 divisors (see below), whose sum is σ = 4207492. Its totient is φ = 4093632.

The previous prime is 4150547. The next prime is 4150577. The reversal of 4150561 is 1650514.

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 2030625 + 2119936 = 1425^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 4150561 - 2⁵ = 4150529 is a prime.

It is a super-2 number, since 2×4150561² = 34454313229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4153561) 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, 28356 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (1051873).

Almost surely, 2^4150561 is an apocalyptic number.

It is an amenable number.

4150561 is a deficient number, since it is larger than the sum of its proper divisors (56931).

4150561 is an equidigital number, since it uses as much as digits as its factorization.

4150561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56930.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 4150561 is about 2037.2925661279. The cubic root of 4150561 is about 160.7072983864.

The spelling of 4150561 in words is "four million, one hundred fifty thousand, five hundred sixty-one".