25487001717 has 16 divisors (see below), whose sum is σ = 35783784960. Its totient is φ = 16091404272.

The previous prime is 25487001703. The next prime is 25487001719. The reversal of 25487001717 is 71710078452.

It is not a de Polignac number, because 25487001717 - 2⁸ = 25487001461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25487001719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88458 + ... + 242484.

It is an arithmetic number, because the mean of its divisors is an integer number (2236486560).

Almost surely, 2^25487001717 is an apocalyptic number.

It is an amenable number.

25487001717 is a deficient number, since it is larger than the sum of its proper divisors (10296783243).

25487001717 is a wasteful number, since it uses less digits than its factorization.

25487001717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156952.

The product of its (nonzero) digits is 109760, while the sum is 42.

The spelling of 25487001717 in words is "twenty-five billion, four hundred eighty-seven million, one thousand, seven hundred seventeen".