1355572 has 6 divisors (see below), whose sum is σ = 2372258. Its totient is φ = 677784.

The previous prime is 1355533. The next prime is 1355573. The reversal of 1355572 is 2755531.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 676 = 1164^2 + 26^2 .

It is a d-powerful number, because it can be written as 1 + 3¹² + 5² + 5² + 5² + 7⁷ + 2⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 1355572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169443 + ... + 169450.

2^1355572 is an apocalyptic number.

It is an amenable number.

1355572 is a deficient number, since it is larger than the sum of its proper divisors (1016686).

1355572 is a wasteful number, since it uses less digits than its factorization.

1355572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338897 (or 338895 counting only the distinct ones).

The product of its digits is 5250, while the sum is 28.

The square root of 1355572 is about 1164.2903417962. The cubic root of 1355572 is about 110.6727912289.

The spelling of 1355572 in words is "one million, three hundred fifty-five thousand, five hundred seventy-two".