25425053717 has 16 divisors (see below), whose sum is σ = 30109347840. Its totient is φ = 21016627632.

The previous prime is 25425053653. The next prime is 25425053723. The reversal of 25425053717 is 71735052452.

It is not a de Polignac number, because 25425053717 - 2⁶ = 25425053653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425053747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510833 + ... + 558390.

It is an arithmetic number, because the mean of its divisors is an integer number (1881834240).

Almost surely, 2^25425053717 is an apocalyptic number.

It is an amenable number.

25425053717 is a deficient number, since it is larger than the sum of its proper divisors (4684294123).

25425053717 is a wasteful number, since it uses less digits than its factorization.

25425053717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069352.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 25425053717 in words is "twenty-five billion, four hundred twenty-five million, fifty-three thousand, seven hundred seventeen".