1356216053 has 2 divisors, whose sum is σ = 1356216054. Its totient is φ = 1356216052.

The previous prime is 1356216049. The next prime is 1356216061. The reversal of 1356216053 is 3506126531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1239532849 + 116683204 = 35207^2 + 10802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356216053 - 2² = 1356216049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356216023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678108026 + 678108027.

It is an arithmetic number, because the mean of its divisors is an integer number (678108027).

Almost surely, 2^1356216053 is an apocalyptic number.

It is an amenable number.

1356216053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356216053 is an equidigital number, since it uses as much as digits as its factorization.

1356216053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1356216053 is about 36826.8387592527. The cubic root of 1356216053 is about 1106.9031589934.

The spelling of 1356216053 in words is "one billion, three hundred fifty-six million, two hundred sixteen thousand, fifty-three".