2575522 has 4 divisors (see below), whose sum is σ = 3863286. Its totient is φ = 1287760.

The previous prime is 2575499. The next prime is 2575523. The reversal of 2575522 is 2255752.

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., 2563201 + 12321 = 1601^2 + 111^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁸ + 5⁶ + 7 + 5⁷ + 5⁹ + 2¹² + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (2575523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643879 + ... + 643882.

2^2575522 is an apocalyptic number.

2575522 is a deficient number, since it is larger than the sum of its proper divisors (1287764).

2575522 is a wasteful number, since it uses less digits than its factorization.

2575522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287763.

The product of its digits is 7000, while the sum is 28.

The square root of 2575522 is about 1604.8432945307. The cubic root of 2575522 is about 137.0740005492.

The spelling of 2575522 in words is "two million, five hundred seventy-five thousand, five hundred twenty-two".