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25132801 = 192575147
BaseRepresentation
bin101111111011…
…1111100000001
31202021212201111
41133313330001
522413222201
62254403321
7423424321
oct137677401
952255644
1025132801
1113206711
128500541
13528c7a5
1434a3281
152316b51
hex17f7f01

25132801 has 8 divisors (see below), whose sum is σ = 26563680. Its totient is φ = 23712768.

The previous prime is 25132777. The next prime is 25132841. The reversal of 25132801 is 10823152.

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 25132801 - 27 = 25132673 is a prime.

It is a super-2 number, since 2×251328012 = 1263315372211202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25132841) 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, 2310 + ... + 7456.

It is an arithmetic number, because the mean of its divisors is an integer number (3320460).

Almost surely, 225132801 is an apocalyptic number.

It is an amenable number.

25132801 is a deficient number, since it is larger than the sum of its proper divisors (1430879).

25132801 is a wasteful number, since it uses less digits than its factorization.

25132801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 25132801 is about 5013.2625105813. The cubic root of 25132801 is about 292.9186097206.

Adding to 25132801 its reverse (10823152), we get a palindrome (35955953).

The spelling of 25132801 in words is "twenty-five million, one hundred thirty-two thousand, eight hundred one".

Divisors: 1 19 257 4883 5147 97793 1322779 25132801