25825147697 has 8 divisors (see below), whose sum is σ = 26301144000. Its totient is φ = 25350849360.

The previous prime is 25825147633. The next prime is 25825147703. The reversal of 25825147697 is 79674152852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25825147697 - 2⁶ = 25825147633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25825149697) 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, 393773 + ... + 454650.

It is an arithmetic number, because the mean of its divisors is an integer number (3287643000).

Almost surely, 2^25825147697 is an apocalyptic number.

It is an amenable number.

25825147697 is a deficient number, since it is larger than the sum of its proper divisors (475996303).

25825147697 is an equidigital number, since it uses as much as digits as its factorization.

25825147697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848983.

The product of its digits is 8467200, while the sum is 56.

The spelling of 25825147697 in words is "twenty-five billion, eight hundred twenty-five million, one hundred forty-seven thousand, six hundred ninety-seven".