676021062025 has 45 divisors (see below), whose sum is σ = 892225175401. Its totient is φ = 508109534720.

The previous prime is 676021062019. The next prime is 676021062061. The reversal of 676021062025 is 520260120676.

The square root of 676021062025 is 822205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 671526164089 + 4494897936 = 819467^2 + 67044^2 .

It is not a de Polignac number, because 676021062025 - 2²⁵ = 675987507593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1188085941 + ... + 1188086509.

Almost surely, 2^676021062025 is an apocalyptic number.

676021062025 is the 822205-th square number.

676021062025 is the 411103-rd centered octagonal number.

It is an amenable number.

676021062025 is a deficient number, since it is larger than the sum of its proper divisors (216204113376).

676021062025 is an frugal number, since it uses more digits than its factorization.

676021062025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 676021062025 in words is "six hundred seventy-six billion, twenty-one million, sixty-two thousand, twenty-five".