2478522 has 8 divisors (see below), whose sum is σ = 4957056. Its totient is φ = 826172.

The previous prime is 2478521. The next prime is 2478523. The reversal of 2478522 is 2258742.

It is an interprime number because it is at equal distance from previous prime (2478521) and next prime (2478523).

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

2478522 is an admirable number.

It is a super-2 number, since 2×2478522² = 12286142608968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4 + 7² + 8³ + 5⁹ + 2⁹ + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2478522.

It is not an unprimeable number, because it can be changed into a prime (2478521) 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, 206538 + ... + 206549.

It is an arithmetic number, because the mean of its divisors is an integer number (619632).

2^2478522 is an apocalyptic number.

2478522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2478522 is a wasteful number, since it uses less digits than its factorization.

2478522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413092.

The product of its digits is 8960, while the sum is 30.

The square root of 2478522 is about 1574.3322393955. The cubic root of 2478522 is about 135.3310940336.

The spelling of 2478522 in words is "two million, four hundred seventy-eight thousand, five hundred twenty-two".