8609500025 has 12 divisors (see below), whose sum is σ = 12200891712. Its totient is φ = 5903657040.

The previous prime is 8609500021. The next prime is 8609500057. The reversal of 8609500025 is 5200059068.

It is not a de Polignac number, because 8609500025 - 2² = 8609500021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8609500021) 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, 24598397 + ... + 24598746.

It is an arithmetic number, because the mean of its divisors is an integer number (1016740976).

Almost surely, 2^8609500025 is an apocalyptic number.

It is an amenable number.

8609500025 is a deficient number, since it is larger than the sum of its proper divisors (3591391687).

8609500025 is a wasteful number, since it uses less digits than its factorization.

8609500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49197160 (or 49197155 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 8609500025 is about 92787.3915195378. The cubic root of 8609500025 is about 2049.5537418472.

The spelling of 8609500025 in words is "eight billion, six hundred nine million, five hundred thousand, twenty-five".