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25080023 = 316191307
BaseRepresentation
bin101111110101…
…1000011010111
31202012012022202
41133223003113
522410030043
62253315115
7423114413
oct137530327
952165282
1025080023
111317aaa1
128495a9b
135271767
14348bd43
1523061b8
hex17eb0d7

25080023 has 8 divisors (see below), whose sum is σ = 25950720. Its totient is φ = 24213240.

The previous prime is 25080007. The next prime is 25080031. The reversal of 25080023 is 32008052.

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 25080023 - 24 = 25080007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25079977 and 25080004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25080053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18536 + ... + 19842.

It is an arithmetic number, because the mean of its divisors is an integer number (3243840).

Almost surely, 225080023 is an apocalyptic number.

25080023 is a deficient number, since it is larger than the sum of its proper divisors (870697).

25080023 is a wasteful number, since it uses less digits than its factorization.

25080023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25080023 is about 5007.9959065478. The cubic root of 25080023 is about 292.7134264277.

Adding to 25080023 its reverse (32008052), we get a palindrome (57088075).

The spelling of 25080023 in words is "twenty-five million, eighty thousand, twenty-three".

Divisors: 1 31 619 1307 19189 40517 809033 25080023