2528117 has 4 divisors (see below), whose sum is σ = 2532300. Its totient is φ = 2523936.

The previous prime is 2528077. The next prime is 2528129. The reversal of 2528117 is 7118252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1168561 + 1359556 = 1081^2 + 1166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2528117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528147) 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, 992 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (633075).

2^2528117 is an apocalyptic number.

It is an amenable number.

2528117 is a deficient number, since it is larger than the sum of its proper divisors (4183).

2528117 is an equidigital number, since it uses as much as digits as its factorization.

2528117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182.

The product of its digits is 1120, while the sum is 26.

The square root of 2528117 is about 1590.0053459030. The cubic root of 2528117 is about 136.2277937044.

The spelling of 2528117 in words is "two million, five hundred twenty-eight thousand, one hundred seventeen".