1655452361 has 2 divisors, whose sum is σ = 1655452362. Its totient is φ = 1655452360.

The previous prime is 1655452321. The next prime is 1655452391. The reversal of 1655452361 is 1632545561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1480710400 + 174741961 = 38480^2 + 13219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1655452361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1655452321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827726180 + 827726181.

It is an arithmetic number, because the mean of its divisors is an integer number (827726181).

Almost surely, 2^1655452361 is an apocalyptic number.

It is an amenable number.

1655452361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655452361 is an equidigital number, since it uses as much as digits as its factorization.

1655452361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 38.

The square root of 1655452361 is about 40687.2505952417. The cubic root of 1655452361 is about 1182.9659089557.

The spelling of 1655452361 in words is "one billion, six hundred fifty-five million, four hundred fifty-two thousand, three hundred sixty-one".