25000273000 has 32 divisors (see below), whose sum is σ = 58500641160. Its totient is φ = 10000108800.

The previous prime is 25000272953. The next prime is 25000273003. The reversal of 25000273000 is 37200052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2267473924 + 22732799076 = 47618^2 + 150774^2 .

25000273000 is a modest number, since divided by 273000 gives 25000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (25000273003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12499137 + ... + 12501136.

Almost surely, 2^25000273000 is an apocalyptic number.

25000273000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25000273000 is an abundant number, since it is smaller than the sum of its proper divisors (33500368160).

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

25000273000 is a wasteful number, since it uses less digits than its factorization.

25000273000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000294 (or 25000280 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

Adding to 25000273000 its reverse (37200052), we get a palindrome (25037473052).

The spelling of 25000273000 in words is "twenty-five billion, two hundred seventy-three thousand".