28024057 has 2 divisors, whose sum is σ = 28024058. Its totient is φ = 28024056.

The previous prime is 28024039. The next prime is 28024091. The reversal of 28024057 is 75042082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22934521 + 5089536 = 4789^2 + 2256^2 .

It is a cyclic number.

It is not a de Polignac number, because 28024057 - 2¹¹ = 28022009 is a prime.

It is not a weakly prime, because it can be changed into another prime (28024357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012028 + 14012029.

It is an arithmetic number, because the mean of its divisors is an integer number (14012029).

Almost surely, 2^28024057 is an apocalyptic number.

It is an amenable number.

28024057 is a deficient number, since it is larger than the sum of its proper divisors (1).

28024057 is an equidigital number, since it uses as much as digits as its factorization.

28024057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 28024057 is about 5293.7753069053. The cubic root of 28024057 is about 303.7458380322.

It can be divided in two parts, 2802 and 4057, that added together give a cube (6859 = 19³).

The spelling of 28024057 in words is "twenty-eight million, twenty-four thousand, fifty-seven".