1655452229 has 2 divisors, whose sum is σ = 1655452230. Its totient is φ = 1655452228.

The previous prime is 1655452219. The next prime is 1655452303. The reversal of 1655452229 is 9222545561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219895329 + 435556900 = 34927^2 + 20870^2 .

It is an emirp because it is prime and its reverse (9222545561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1655452229 - 2⁴ = 1655452213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655452219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827726114 + 827726115.

It is an arithmetic number, because the mean of its divisors is an integer number (827726115).

Almost surely, 2^1655452229 is an apocalyptic number.

It is an amenable number.

1655452229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655452229 is an equidigital number, since it uses as much as digits as its factorization.

1655452229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The square root of 1655452229 is about 40687.2489731120. The cubic root of 1655452229 is about 1182.9658775138.

The spelling of 1655452229 in words is "one billion, six hundred fifty-five million, four hundred fifty-two thousand, two hundred twenty-nine".