1381522 has 16 divisors (see below), whose sum is σ = 2216160. Its totient is φ = 643648.

The previous prime is 1381519. The next prime is 1381529. The reversal of 1381522 is 2251831.

It is a junction number, because it is equal to n+sod(n) for n = 1381493 and 1381502.

It is not an unprimeable number, because it can be changed into a prime (1381529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5973 + ... + 6199.

It is an arithmetic number, because the mean of its divisors is an integer number (138510).

2^1381522 is an apocalyptic number.

1381522 is a deficient number, since it is larger than the sum of its proper divisors (834638).

1381522 is a wasteful number, since it uses less digits than its factorization.

1381522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 480, while the sum is 22.

The square root of 1381522 is about 1175.3816401493. The cubic root of 1381522 is about 111.3745430132.

The spelling of 1381522 in words is "one million, three hundred eighty-one thousand, five hundred twenty-two".