1061646025 has 24 divisors (see below), whose sum is σ = 1438845408. Its totient is φ = 770640000.

The previous prime is 1061645969. The next prime is 1061646037. The reversal of 1061646025 is 5206461601.

It is not a de Polignac number, because 1061646025 - 2¹⁷ = 1061514953 is a prime.

It is a super-2 number, since 2×1061646025² = 2254184564796601250, which contains 22 as substring.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 153645 + ... + 160405.

It is an arithmetic number, because the mean of its divisors is an integer number (59951892).

Almost surely, 2^1061646025 is an apocalyptic number.

It is an amenable number.

1061646025 is a deficient number, since it is larger than the sum of its proper divisors (377199383).

1061646025 is a wasteful number, since it uses less digits than its factorization.

1061646025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7348 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1061646025 is about 32582.9100143004. The cubic root of 1061646025 is about 1020.1403193475.

The spelling of 1061646025 in words is "one billion, sixty-one million, six hundred forty-six thousand, twenty-five".