1353665050 has 24 divisors (see below), whose sum is σ = 2565327996. Its totient is φ = 531248640.

The previous prime is 1353665041. The next prime is 1353665087. The reversal of 1353665050 is 505663531.

It can be written as a sum of positive squares in 6 ways, for example, as 298909521 + 1054755529 = 17289^2 + 32477^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1353664997 and 1353665015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252759 + ... + 258058.

Almost surely, 2^1353665050 is an apocalyptic number.

1353665050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353665050 is a deficient number, since it is larger than the sum of its proper divisors (1211662946).

1353665050 is a wasteful number, since it uses less digits than its factorization.

1353665050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510882 (or 510877 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 1353665050 is about 36792.1873500340. The cubic root of 1353665050 is about 1106.2087058330.

The spelling of 1353665050 in words is "one billion, three hundred fifty-three million, six hundred sixty-five thousand, fifty".