25959318097 has 8 divisors (see below), whose sum is σ = 26040016800. Its totient is φ = 25878684384.

The previous prime is 25959318083. The next prime is 25959318101. The reversal of 25959318097 is 79081395952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25959318097 is a prime.

It is a super-2 number, since 2×25959318097² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25959318197) 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, 855654 + ... + 885472.

It is an arithmetic number, because the mean of its divisors is an integer number (3255002100).

Almost surely, 2^25959318097 is an apocalyptic number.

It is an amenable number.

25959318097 is a deficient number, since it is larger than the sum of its proper divisors (80698703).

25959318097 is a wasteful number, since it uses less digits than its factorization.

25959318097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32495.

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 25959318097 in words is "twenty-five billion, nine hundred fifty-nine million, three hundred eighteen thousand, ninety-seven".