1031522 has 4 divisors (see below), whose sum is σ = 1547286. Its totient is φ = 515760.

The previous prime is 1031521. The next prime is 1031531. The reversal of 1031522 is 2251301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2251301 = 13 ⋅173177.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 201601 = 911^2 + 449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1031497 and 1031506.

It is not an unprimeable number, because it can be changed into a prime (1031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257879 + ... + 257882.

2^1031522 is an apocalyptic number.

1031522 is a deficient number, since it is larger than the sum of its proper divisors (515764).

1031522 is an equidigital number, since it uses as much as digits as its factorization.

1031522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515763.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1031522 is about 1015.6387152920. The cubic root of 1031522 is about 101.0398822986.

Adding to 1031522 its reverse (2251301), we get a palindrome (3282823).

The spelling of 1031522 in words is "one million, thirty-one thousand, five hundred twenty-two".