25054565 has 8 divisors (see below), whose sum is σ = 30363768. Its totient is φ = 19844800.

The previous prime is 25054537. The next prime is 25054571. The reversal of 25054565 is 56545052.

It can be written as a sum of positive squares in 4 ways, for example, as 1249924 + 23804641 = 1118^2 + 4879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25054565 - 2⁶ = 25054501 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24302 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (3795471).

Almost surely, 2^25054565 is an apocalyptic number.

It is an amenable number.

25054565 is a deficient number, since it is larger than the sum of its proper divisors (5309203).

25054565 is a wasteful number, since it uses less digits than its factorization.

25054565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49719.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 25054565 is about 5005.4535259055. The cubic root of 25054565 is about 292.6143512762.

The spelling of 25054565 in words is "twenty-five million, fifty-four thousand, five hundred sixty-five".