25954385 has 4 divisors (see below), whose sum is σ = 31145268. Its totient is φ = 20763504.

The previous prime is 25954381. The next prime is 25954403. The reversal of 25954385 is 58345952.

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 10137856 + 15816529 = 3184^2 + 3977^2 .

It is a cyclic number.

It is not a de Polignac number, because 25954385 - 2² = 25954381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25954381) 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, 2595434 + ... + 2595443.

It is an arithmetic number, because the mean of its divisors is an integer number (7786317).

Almost surely, 2^25954385 is an apocalyptic number.

It is an amenable number.

25954385 is a deficient number, since it is larger than the sum of its proper divisors (5190883).

25954385 is an equidigital number, since it uses as much as digits as its factorization.

25954385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190882.

The product of its digits is 216000, while the sum is 41.

The square root of 25954385 is about 5094.5446312698. The cubic root of 25954385 is about 296.0762563756.

The spelling of 25954385 in words is "twenty-five million, nine hundred fifty-four thousand, three hundred eighty-five".