2522546 has 8 divisors (see below), whose sum is σ = 4074924. Its totient is φ = 1164240.

The previous prime is 2522543. The next prime is 2522557. The reversal of 2522546 is 6452252.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 346921 = 1475^2 + 589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 97021 = 2522546 / (2 + 5 + 2 + 2 + 5 + 4 + 6).

It is a d-powerful number, because it can be written as 2⁶ + 5⁴ + 2¹⁵ + 2²¹ + 5⁸ + 4² + 6⁴ .

It is not an unprimeable number, because it can be changed into a prime (2522543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48485 + ... + 48536.

2^2522546 is an apocalyptic number.

2522546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2522546 is a deficient number, since it is larger than the sum of its proper divisors (1552378).

2522546 is a wasteful number, since it uses less digits than its factorization.

2522546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97036.

The product of its digits is 4800, while the sum is 26.

The square root of 2522546 is about 1588.2524988175. The cubic root of 2522546 is about 136.1276555143.

Adding to 2522546 its reverse (6452252), we get a palindrome (8974798).

The spelling of 2522546 in words is "two million, five hundred twenty-two thousand, five hundred forty-six".