25682560471 has 4 divisors (see below), whose sum is σ = 27034274200. Its totient is φ = 24330846744.

The previous prime is 25682560469. The next prime is 25682560487. The reversal of 25682560471 is 17406528652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25682560471 - 2¹ = 25682560469 is a prime.

It is a super-3 number, since 3×25682560471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25682560571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675856836 + ... + 675856873.

It is an arithmetic number, because the mean of its divisors is an integer number (6758568550).

Almost surely, 2^25682560471 is an apocalyptic number.

25682560471 is a deficient number, since it is larger than the sum of its proper divisors (1351713729).

25682560471 is a wasteful number, since it uses less digits than its factorization.

25682560471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351713728.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 25682560471 in words is "twenty-five billion, six hundred eighty-two million, five hundred sixty thousand, four hundred seventy-one".