Search a number
-
+
25075061 = 1114915299
BaseRepresentation
bin101111110100…
…1110101110101
31202011221111222
41133221311311
522404400221
62253240125
7423064064
oct137516565
952157458
1025075061
11131772a0
128493045
13526c41b
14348a1db
1523049ab
hex17e9d75

25075061 has 8 divisors (see below), whose sum is σ = 27540000. Its totient is φ = 22641040.

The previous prime is 25075049. The next prime is 25075091. The reversal of 25075061 is 16057052.

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 25075061 - 210 = 25074037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25075061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25075021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011 + ... + 9288.

It is an arithmetic number, because the mean of its divisors is an integer number (3442500).

Almost surely, 225075061 is an apocalyptic number.

It is an amenable number.

25075061 is a deficient number, since it is larger than the sum of its proper divisors (2464939).

25075061 is a wasteful number, since it uses less digits than its factorization.

25075061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 25075061 is about 5007.5004742885. The cubic root of 25075061 is about 292.6941210252.

Subtracting from 25075061 its reverse (16057052), we obtain a square (9018009 = 30032).

The spelling of 25075061 in words is "twenty-five million, seventy-five thousand, sixty-one".

Divisors: 1 11 149 1639 15299 168289 2279551 25075061