2451522 has 16 divisors (see below), whose sum is σ = 4919040. Its totient is φ = 814512.

The previous prime is 2451521. The next prime is 2451539. The reversal of 2451522 is 2251542.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2451521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

2^2451522 is an apocalyptic number.

2451522 is an abundant number, since it is smaller than the sum of its proper divisors (2467518).

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

2451522 is a wasteful number, since it uses less digits than its factorization.

2451522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its digits is 800, while the sum is 21.

The square root of 2451522 is about 1565.7336938317. The cubic root of 2451522 is about 134.8378849628.

The spelling of 2451522 in words is "two million, four hundred fifty-one thousand, five hundred twenty-two".