1655353213 has 2 divisors, whose sum is σ = 1655353214. Its totient is φ = 1655353212.

The previous prime is 1655353211. The next prime is 1655353267. The reversal of 1655353213 is 3123535561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648603609 + 6749604 = 40603^2 + 2598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1655353213 - 2¹ = 1655353211 is a prime.

Together with 1655353211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655353211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827676606 + 827676607.

It is an arithmetic number, because the mean of its divisors is an integer number (827676607).

Almost surely, 2^1655353213 is an apocalyptic number.

It is an amenable number.

1655353213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655353213 is an equidigital number, since it uses as much as digits as its factorization.

1655353213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1655353213 is about 40686.0321609272. The cubic root of 1655353213 is about 1182.9422918368.

Adding to 1655353213 its reverse (3123535561), we get a palindrome (4778888774).

The spelling of 1655353213 in words is "one billion, six hundred fifty-five million, three hundred fifty-three thousand, two hundred thirteen".