2528803 has 4 divisors (see below), whose sum is σ = 2532888. Its totient is φ = 2524720.

The previous prime is 2528791. The next prime is 2528809. The reversal of 2528803 is 3088252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2528803 - 2¹³ = 2520611 is a prime.

It is a super-2 number, since 2×2528803² = 12789689225618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901 + ... + 2422.

It is an arithmetic number, because the mean of its divisors is an integer number (633222).

2^2528803 is an apocalyptic number.

2528803 is a deficient number, since it is larger than the sum of its proper divisors (4085).

2528803 is an equidigital number, since it uses as much as digits as its factorization.

2528803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2528803 is about 1590.2210538161. The cubic root of 2528803 is about 136.2401143124.

The spelling of 2528803 in words is "two million, five hundred twenty-eight thousand, eight hundred three".