4861545 has 32 divisors (see below), whose sum is σ = 8491392. Its totient is φ = 2360832.

The previous prime is 4861529. The next prime is 4861547. The reversal of 4861545 is 5451684.

It is not a de Polignac number, because 4861545 - 2⁴ = 4861529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4861547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20749 + ... + 20981.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

Almost surely, 2^4861545 is an apocalyptic number.

It is an amenable number.

4861545 is a deficient number, since it is larger than the sum of its proper divisors (3629847).

4861545 is a wasteful number, since it uses less digits than its factorization.

4861545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 19200, while the sum is 33.

The square root of 4861545 is about 2204.8911537761. The cubic root of 4861545 is about 169.4044326878.

The spelling of 4861545 in words is "four million, eight hundred sixty-one thousand, five hundred forty-five".