2870522 has 4 divisors (see below), whose sum is σ = 4305786. Its totient is φ = 1435260.

The previous prime is 2870519. The next prime is 2870531. The reversal of 2870522 is 2250782.

2870522 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2250782 = 2 ⋅1125391.

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 151321 = 1649^2 + 389^2 .

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2870491 and 2870500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717629 + ... + 717632.

2^2870522 is an apocalyptic number.

2870522 is a deficient number, since it is larger than the sum of its proper divisors (1435264).

2870522 is a wasteful number, since it uses less digits than its factorization.

2870522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435263.

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

The square root of 2870522 is about 1694.2614910338. The cubic root of 2870522 is about 142.1194854920.

The spelling of 2870522 in words is "two million, eight hundred seventy thousand, five hundred twenty-two".