28915153 has 2 divisors, whose sum is σ = 28915154. Its totient is φ = 28915152.

The previous prime is 28915109. The next prime is 28915171. The reversal of 28915153 is 35151982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16184529 + 12730624 = 4023^2 + 3568^2 .

It is a cyclic number.

It is not a de Polignac number, because 28915153 - 2¹⁷ = 28784081 is a prime.

It is not a weakly prime, because it can be changed into another prime (28913153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14457576 + 14457577.

It is an arithmetic number, because the mean of its divisors is an integer number (14457577).

Almost surely, 2^28915153 is an apocalyptic number.

It is an amenable number.

28915153 is a deficient number, since it is larger than the sum of its proper divisors (1).

28915153 is an equidigital number, since it uses as much as digits as its factorization.

28915153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The square root of 28915153 is about 5377.2811903415. The cubic root of 28915153 is about 306.9317612978.

The spelling of 28915153 in words is "twenty-eight million, nine hundred fifteen thousand, one hundred fifty-three".