25726481 has 8 divisors (see below), whose sum is σ = 28118784. Its totient is φ = 23343120.

The previous prime is 25726447. The next prime is 25726483. The reversal of 25726481 is 18462752.

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 25726481 - 2¹⁰ = 25725457 is a prime.

It is a super-2 number, since 2×25726481² = 1323703649286722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25726483) 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, 4751 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (3514848).

Almost surely, 2^25726481 is an apocalyptic number.

It is an amenable number.

25726481 is a deficient number, since it is larger than the sum of its proper divisors (2392303).

25726481 is a wasteful number, since it uses less digits than its factorization.

25726481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its digits is 26880, while the sum is 35.

The square root of 25726481 is about 5072.1278572213. The cubic root of 25726481 is about 295.2070977073.

The spelling of 25726481 in words is "twenty-five million, seven hundred twenty-six thousand, four hundred eighty-one".