2605825900 has 36 divisors (see below), whose sum is σ = 5837056960. Its totient is φ = 1008705600.

The previous prime is 2605825897. The next prime is 2605825903. The reversal of 2605825900 is 95285062.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2605825897) and next prime (2605825903).

It is a super-2 number, since 2×2605825900² = 13580657242221620000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2605825900.

It is not an unprimeable number, because it can be changed into a prime (2605825903) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 417195 + ... + 423394.

Almost surely, 2^2605825900 is an apocalyptic number.

2605825900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605825900 is an abundant number, since it is smaller than the sum of its proper divisors (3231231060).

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

2605825900 is a wasteful number, since it uses less digits than its factorization.

2605825900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840634 (or 840627 counting only the distinct ones).

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

The square root of 2605825900 is about 51047.2908193961. The cubic root of 2605825900 is about 1376.0951539513.

The spelling of 2605825900 in words is "two billion, six hundred five million, eight hundred twenty-five thousand, nine hundred".