1025166835 has 16 divisors (see below), whose sum is σ = 1533756672. Its totient is φ = 639064800.

The previous prime is 1025166823. The next prime is 1025166841. The reversal of 1025166835 is 5386615201.

It is not a de Polignac number, because 1025166835 - 2²¹ = 1023069683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025166794 and 1025166803.

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 15 ways as a sum of consecutive naturals, for example, 1331001 + ... + 1331770.

It is an arithmetic number, because the mean of its divisors is an integer number (95859792).

Almost surely, 2^1025166835 is an apocalyptic number.

1025166835 is a deficient number, since it is larger than the sum of its proper divisors (508589837).

1025166835 is a wasteful number, since it uses less digits than its factorization.

1025166835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662794.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1025166835 is about 32018.2266061067. The cubic root of 1025166835 is about 1008.3195383370.

The spelling of 1025166835 in words is "one billion, twenty-five million, one hundred sixty-six thousand, eight hundred thirty-five".