25400893 has 8 divisors (see below), whose sum is σ = 29123712. Its totient is φ = 21701616.

The previous prime is 25400887. The next prime is 25400911. The reversal of 25400893 is 39800452.

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 25400893 - 2¹³ = 25392701 is a prime.

It is a super-3 number, since 3×25400893³ (a number of 23 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 (25400293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505 + ... + 7942.

It is an arithmetic number, because the mean of its divisors is an integer number (3640464).

Almost surely, 2^25400893 is an apocalyptic number.

It is an amenable number.

25400893 is a deficient number, since it is larger than the sum of its proper divisors (3722819).

25400893 is a wasteful number, since it uses less digits than its factorization.

25400893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25400893 is about 5039.9298606231. The cubic root of 25400893 is about 293.9564507356.

It can be divided in two parts, 2540089 and 3, that multiplied together give a palindrome (7620267).

The spelling of 25400893 in words is "twenty-five million, four hundred thousand, eight hundred ninety-three".