2528522 has 4 divisors (see below), whose sum is σ = 3792786. Its totient is φ = 1264260.

The previous prime is 2528503. The next prime is 2528527. The reversal of 2528522 is 2258252.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1510441 + 1018081 = 1229^2 + 1009^2 .

It is a d-powerful number, because it can be written as 2⁵ + 5⁶ + 2¹³ + 8³ + 5⁸ + 2¹⁴ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2528491 and 2528500.

It is not an unprimeable number, because it can be changed into a prime (2528527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632129 + ... + 632132.

2^2528522 is an apocalyptic number.

2528522 is a deficient number, since it is larger than the sum of its proper divisors (1264264).

2528522 is a wasteful number, since it uses less digits than its factorization.

2528522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264263.

The product of its digits is 3200, while the sum is 26.

The square root of 2528522 is about 1590.1326988651. The cubic root of 2528522 is about 136.2350678022.

The spelling of 2528522 in words is "two million, five hundred twenty-eight thousand, five hundred twenty-two".