28797053 has 2 divisors, whose sum is σ = 28797054. Its totient is φ = 28797052.

The previous prime is 28797023. The next prime is 28797071. The reversal of 28797053 is 35079782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16949689 + 11847364 = 4117^2 + 3442^2 .

It is a cyclic number.

It is not a de Polignac number, because 28797053 - 2¹² = 28792957 is a prime.

It is a super-2 number, since 2×28797053² = 1658540522969618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28797053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28797023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14398526 + 14398527.

It is an arithmetic number, because the mean of its divisors is an integer number (14398527).

Almost surely, 2^28797053 is an apocalyptic number.

It is an amenable number.

28797053 is a deficient number, since it is larger than the sum of its proper divisors (1).

28797053 is an equidigital number, since it uses as much as digits as its factorization.

28797053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 28797053 is about 5366.2885684614. The cubic root of 28797053 is about 306.5133174439.

The spelling of 28797053 in words is "twenty-eight million, seven hundred ninety-seven thousand, fifty-three".