25738671 has 24 divisors (see below), whose sum is σ = 40120704. Its totient is φ = 14634480.

The previous prime is 25738651. The next prime is 25738681. The reversal of 25738671 is 17683752.

It is not a de Polignac number, because 25738671 - 2⁷ = 25738543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25738651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45436 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (1671696).

Almost surely, 2^25738671 is an apocalyptic number.

25738671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25738671 is a deficient number, since it is larger than the sum of its proper divisors (14382033).

25738671 is a wasteful number, since it uses less digits than its factorization.

25738671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 884 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 25738671 is about 5073.3293801999. The cubic root of 25738671 is about 295.2537164203.

The spelling of 25738671 in words is "twenty-five million, seven hundred thirty-eight thousand, six hundred seventy-one".