1365155053 has 2 divisors, whose sum is σ = 1365155054. Its totient is φ = 1365155052.

The previous prime is 1365155017. The next prime is 1365155093. The reversal of 1365155053 is 3505515631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 726733764 + 638421289 = 26958^2 + 25267^2 .

It is an emirp because it is prime and its reverse (3505515631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1365155053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365155093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682577526 + 682577527.

It is an arithmetic number, because the mean of its divisors is an integer number (682577527).

Almost surely, 2^1365155053 is an apocalyptic number.

It is an amenable number.

1365155053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365155053 is an equidigital number, since it uses as much as digits as its factorization.

1365155053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 1365155053 is about 36948.0047228534. The cubic root of 1365155053 is about 1109.3297506564.

The spelling of 1365155053 in words is "one billion, three hundred sixty-five million, one hundred fifty-five thousand, fifty-three".