24775000025 has 12 divisors (see below), whose sum is σ = 30726825024. Its totient is φ = 19816242000.

The previous prime is 24775000021. The next prime is 24775000027. The reversal of 24775000025 is 52000057742.

It is not a de Polignac number, because 24775000025 - 2² = 24775000021 is a prime.

It is a super-2 number, since 2×24775000025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 24774999955 and 24775000000.

It is not an unprimeable number, because it can be changed into a prime (24775000021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44540 + ... + 227010.

It is an arithmetic number, because the mean of its divisors is an integer number (2560568752).

Almost surely, 2^24775000025 is an apocalyptic number.

24775000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24775000025 is a deficient number, since it is larger than the sum of its proper divisors (5951824999).

24775000025 is a wasteful number, since it uses less digits than its factorization.

24775000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187912 (or 187907 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

Adding to 24775000025 its reverse (52000057742), we get a palindrome (76775057767).

The spelling of 24775000025 in words is "twenty-four billion, seven hundred seventy-five million, twenty-five", and thus it is an aban number.