1553005313 has 2 divisors, whose sum is σ = 1553005314. Its totient is φ = 1553005312.

The previous prime is 1553005297. The next prime is 1553005327. The reversal of 1553005313 is 3135003551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1512198769 + 40806544 = 38887^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553005313 - 2⁴ = 1553005297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1555005313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776502656 + 776502657.

It is an arithmetic number, because the mean of its divisors is an integer number (776502657).

Almost surely, 2^1553005313 is an apocalyptic number.

It is an amenable number.

1553005313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553005313 is an equidigital number, since it uses as much as digits as its factorization.

1553005313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 1553005313 is about 39408.1884003820. The cubic root of 1553005313 is about 1158.0420083038.

Adding to 1553005313 its reverse (3135003551), we get a palindrome (4688008864).

The spelling of 1553005313 in words is "one billion, five hundred fifty-three million, five thousand, three hundred thirteen".