4034561 has 4 divisors (see below), whose sum is σ = 4128432. Its totient is φ = 3940692.

The previous prime is 4034549. The next prime is 4034573. The reversal of 4034561 is 1654304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4034549) and next prime (4034573).

It is not a de Polignac number, because 4034561 - 2⁶ = 4034497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4034501) 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, 46871 + ... + 46956.

It is an arithmetic number, because the mean of its divisors is an integer number (1032108).

It is a Proth number, since it is equal to 985 ⋅ 2¹² + 1 and 985 < 2¹².

Almost surely, 2^4034561 is an apocalyptic number.

It is an amenable number.

4034561 is a deficient number, since it is larger than the sum of its proper divisors (93871).

4034561 is an equidigital number, since it uses as much as digits as its factorization.

4034561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93870.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4034561 is about 2008.6216667158. The cubic root of 4034561 is about 159.1959794823.

Adding to 4034561 its reverse (1654304), we get a palindrome (5688865).

The spelling of 4034561 in words is "four million, thirty-four thousand, five hundred sixty-one".