1025696808 has 24 divisors (see below), whose sum is σ = 2777929050. Its totient is φ = 341898912.

The previous prime is 1025696807. The next prime is 1025696809. The reversal of 1025696808 is 8086965201.

1025696808 is a `hidden beast` number, since 1 + 0 + 2 + 569 + 6 + 80 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1025696807) and next prime (1025696809).

It can be written as a sum of positive squares in only one way, i.e., 895326084 + 130370724 = 29922^2 + 11418^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1025696803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7122823 + ... + 7122966.

Almost surely, 2^1025696808 is an apocalyptic number.

1025696808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1025696808 is an abundant number, since it is smaller than the sum of its proper divisors (1752232242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025696808 is a wasteful number, since it uses less digits than its factorization.

1025696808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245801 (or 14245794 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1025696808 is about 32026.5016509765. The cubic root of 1025696808 is about 1008.4932629295.

The spelling of 1025696808 in words is "one billion, twenty-five million, six hundred ninety-six thousand, eight hundred eight".