1025276685 has 16 divisors (see below), whose sum is σ = 1654962624. Its totient is φ = 541974272.

The previous prime is 1025276677. The next prime is 1025276687. The reversal of 1025276685 is 5866725201.

It is a cyclic number.

It is not a de Polignac number, because 1025276685 - 2³ = 1025276677 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025276687) 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 15 ways as a sum of consecutive naturals, for example, 300747 + ... + 304136.

It is an arithmetic number, because the mean of its divisors is an integer number (103435164).

Almost surely, 2^1025276685 is an apocalyptic number.

1025276685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025276685 is a deficient number, since it is larger than the sum of its proper divisors (629685939).

1025276685 is a wasteful number, since it uses less digits than its factorization.

1025276685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605004.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 1025276685 is about 32019.9419893291. The cubic root of 1025276685 is about 1008.3555519696.

The spelling of 1025276685 in words is "one billion, twenty-five million, two hundred seventy-six thousand, six hundred eighty-five".