2471522 has 4 divisors (see below), whose sum is σ = 3707286. Its totient is φ = 1235760.

The previous prime is 2471507. The next prime is 2471527. The reversal of 2471522 is 2251742.

It is a happy number.

2471522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2251742 = 2 ⋅1125871.

It can be written as a sum of positive squares in only one way, i.e., 2468041 + 3481 = 1571^2 + 59^2 .

It is a super-2 number, since 2×2471522² = 12216841992968, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2471527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617879 + ... + 617882.

2^2471522 is an apocalyptic number.

2471522 is a deficient number, since it is larger than the sum of its proper divisors (1235764).

2471522 is a wasteful number, since it uses less digits than its factorization.

2471522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235763.

The product of its digits is 1120, while the sum is 23.

The square root of 2471522 is about 1572.1075026855. The cubic root of 2471522 is about 135.2035703339.

The spelling of 2471522 in words is "two million, four hundred seventy-one thousand, five hundred twenty-two".