28542941 has 6 divisors (see below), whose sum is σ = 33203070. Its totient is φ = 24465336.

The previous prime is 28542893. The next prime is 28542979. The reversal of 28542941 is 14924582.

It can be written as a sum of positive squares in only one way, i.e., 17347225 + 11195716 = 4165^2 + 3346^2 .

It is not a de Polignac number, because 28542941 - 2¹⁴ = 28526557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28542341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291206 + ... + 291303.

It is an arithmetic number, because the mean of its divisors is an integer number (5533845).

Almost surely, 2^28542941 is an apocalyptic number.

It is an amenable number.

28542941 is a deficient number, since it is larger than the sum of its proper divisors (4660129).

28542941 is an equidigital number, since it uses as much as digits as its factorization.

28542941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582523 (or 582516 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 28542941 is about 5342.5594053787. The cubic root of 28542941 is about 305.6090704628.

The spelling of 28542941 in words is "twenty-eight million, five hundred forty-two thousand, nine hundred forty-one".