1676563241 has 4 divisors (see below), whose sum is σ = 1686254532. Its totient is φ = 1666871952.

The previous prime is 1676563237. The next prime is 1676563247. The reversal of 1676563241 is 1423656761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1118233600 + 558329641 = 33440^2 + 23629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1676563241 - 2² = 1676563237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676563247) 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 in 3 ways as a sum of consecutive naturals, for example, 4845386 + ... + 4845731.

It is an arithmetic number, because the mean of its divisors is an integer number (421563633).

Almost surely, 2^1676563241 is an apocalyptic number.

It is an amenable number.

1676563241 is a deficient number, since it is larger than the sum of its proper divisors (9691291).

1676563241 is an equidigital number, since it uses as much as digits as its factorization.

1676563241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9691290.

The product of its digits is 181440, while the sum is 41.

The square root of 1676563241 is about 40945.8574339334. The cubic root of 1676563241 is about 1187.9732090929.

The spelling of 1676563241 in words is "one billion, six hundred seventy-six million, five hundred sixty-three thousand, two hundred forty-one".