1025006000 has 40 divisors (see below), whose sum is σ = 2478469344. Its totient is φ = 410001600.

The previous prime is 1025005991. The next prime is 1025006029. The reversal of 1025006000 is 6005201.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254252 + ... + 258251.

Almost surely, 2^1025006000 is an apocalyptic number.

1025006000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025006000 is an abundant number, since it is smaller than the sum of its proper divisors (1453463344).

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

1025006000 is an equidigital number, since it uses as much as digits as its factorization.

1025006000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512526 (or 512510 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1025006000 is about 32015.7148912842. The cubic root of 1025006000 is about 1008.2668049512.

The spelling of 1025006000 in words is "one billion, twenty-five million, six thousand".