25414789 has 4 divisors (see below), whose sum is σ = 25453900. Its totient is φ = 25375680.

The previous prime is 25414783. The next prime is 25414811. The reversal of 25414789 is 98741452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8025889 + 17388900 = 2833^2 + 4170^2 .

It is a cyclic number.

It is not a de Polignac number, because 25414789 - 2⁵ = 25414757 is a prime.

It is a super-2 number, since 2×25414789² = 1291822999829042, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25414783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18564 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (6363475).

Almost surely, 2^25414789 is an apocalyptic number.

It is an amenable number.

25414789 is a deficient number, since it is larger than the sum of its proper divisors (39111).

25414789 is an equidigital number, since it uses as much as digits as its factorization.

25414789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39110.

The product of its digits is 80640, while the sum is 40.

The square root of 25414789 is about 5041.3082627429. The cubic root of 25414789 is about 294.0100456252.

The spelling of 25414789 in words is "twenty-five million, four hundred fourteen thousand, seven hundred eighty-nine".