28502029 has 2 divisors, whose sum is σ = 28502030. Its totient is φ = 28502028.

The previous prime is 28502009. The next prime is 28502053. The reversal of 28502029 is 92020582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748900 + 9753129 = 4330^2 + 3123^2 .

It is a cyclic number.

It is not a de Polignac number, because 28502029 - 2¹³ = 28493837 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28501988 and 28502006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28502009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14251014 + 14251015.

It is an arithmetic number, because the mean of its divisors is an integer number (14251015).

Almost surely, 2^28502029 is an apocalyptic number.

It is an amenable number.

28502029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28502029 is an equidigital number, since it uses as much as digits as its factorization.

28502029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 28502029 is about 5338.7291558947. The cubic root of 28502029 is about 305.4629858108.

The spelling of 28502029 in words is "twenty-eight million, five hundred two thousand, twenty-nine".