1528255 has 16 divisors (see below), whose sum is σ = 1918080. Its totient is φ = 1168128.

The previous prime is 1528253. The next prime is 1528259. The reversal of 1528255 is 5528251.

It is a 8-Lehmer number, since φ(1528255) divides (1528255-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 1528255 - 2¹ = 1528253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19306 + ... + 19384.

It is an arithmetic number, because the mean of its divisors is an integer number (119880).

2^1528255 is an apocalyptic number.

1528255 is a deficient number, since it is larger than the sum of its proper divisors (389825).

1528255 is an equidigital number, since it uses as much as digits as its factorization.

1528255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210.

The product of its digits is 4000, while the sum is 28.

The square root of 1528255 is about 1236.2261120038. The cubic root of 1528255 is about 115.1857112792.

The spelling of 1528255 in words is "one million, five hundred twenty-eight thousand, two hundred fifty-five".