4561541 has 4 divisors (see below), whose sum is σ = 4603500. Its totient is φ = 4519584.

The previous prime is 4561523. The next prime is 4561547. The reversal of 4561541 is 1451654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1451654 = 2 ⋅725827.

It can be written as a sum of positive squares in 2 ways, for example, as 3500641 + 1060900 = 1871^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 4561541 - 2⁶ = 4561477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4561541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561547) 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, 20816 + ... + 21033.

It is an arithmetic number, because the mean of its divisors is an integer number (1150875).

Almost surely, 2^4561541 is an apocalyptic number.

It is an amenable number.

4561541 is a deficient number, since it is larger than the sum of its proper divisors (41959).

4561541 is a wasteful number, since it uses less digits than its factorization.

4561541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41958.

The product of its digits is 2400, while the sum is 26.

The square root of 4561541 is about 2135.7764396116. The cubic root of 4561541 is about 165.8455645017.

The spelling of 4561541 in words is "four million, five hundred sixty-one thousand, five hundred forty-one".