2078522 has 16 divisors (see below), whose sum is σ = 3336552. Its totient is φ = 967680.

The previous prime is 2078513. The next prime is 2078537. The reversal of 2078522 is 2258702.

It can be written as a sum of positive squares in 4 ways, for example, as 1371241 + 707281 = 1171^2 + 841^2 .

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 2078491 and 2078500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572 + ... + 4112.

2^2078522 is an apocalyptic number.

2078522 is a deficient number, since it is larger than the sum of its proper divisors (1258030).

2078522 is a wasteful number, since it uses less digits than its factorization.

2078522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2078522 is about 1441.7080148213. The cubic root of 2078522 is about 127.6198437445.

The spelling of 2078522 in words is "two million, seventy-eight thousand, five hundred twenty-two".