2071522 has 4 divisors (see below), whose sum is σ = 3107286. Its totient is φ = 1035760.

The previous prime is 2071507. The next prime is 2071543. The reversal of 2071522 is 2251702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 531441 = 1241^2 + 729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2071522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517879 + ... + 517882.

2^2071522 is an apocalyptic number.

2071522 is a deficient number, since it is larger than the sum of its proper divisors (1035764).

2071522 is a wasteful number, since it uses less digits than its factorization.

2071522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035763.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2071522 is about 1439.2782913669. The cubic root of 2071522 is about 127.4764175275.

The spelling of 2071522 in words is "two million, seventy-one thousand, five hundred twenty-two".