2605047000 has 64 divisors (see below), whose sum is σ = 8127756000. Its totient is φ = 694678400.

The previous prime is 2605046959. The next prime is 2605047019. The reversal of 2605047000 is 7405062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 431175 + ... + 437174.

Almost surely, 2^2605047000 is an apocalyptic number.

2605047000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605047000 is an abundant number, since it is smaller than the sum of its proper divisors (5522709000).

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

2605047000 is a wasteful number, since it uses less digits than its factorization.

2605047000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868373 (or 868359 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2605047000 is about 51039.6610490313. The cubic root of 2605047000 is about 1375.9580320601.

The spelling of 2605047000 in words is "two billion, six hundred five million, forty-seven thousand".