1355031441 has 6 divisors (see below), whose sum is σ = 1957267650. Its totient is φ = 903354288.

The previous prime is 1355031439. The next prime is 1355031449. The reversal of 1355031441 is 1441305531.

It is a happy number.

1355031441 is a `hidden beast` number, since 13 + 5 + 503 + 144 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1354534416 + 497025 = 36804^2 + 705^2 .

It is not a de Polignac number, because 1355031441 - 2¹ = 1355031439 is a prime.

It is a super-2 number, since 2×1355031441² = 3672220412197072962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1355031449) 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 in 5 ways as a sum of consecutive naturals, for example, 75279516 + ... + 75279533.

It is an arithmetic number, because the mean of its divisors is an integer number (326211275).

Almost surely, 2^1355031441 is an apocalyptic number.

It is an amenable number.

1355031441 is a deficient number, since it is larger than the sum of its proper divisors (602236209).

1355031441 is a wasteful number, since it uses less digits than its factorization.

1355031441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150559055 (or 150559052 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1355031441 is about 36810.7517038161. The cubic root of 1355031441 is about 1106.5807834333.

Adding to 1355031441 its reverse (1441305531), we get a palindrome (2796336972).

The spelling of 1355031441 in words is "one billion, three hundred fifty-five million, thirty-one thousand, four hundred forty-one".