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25672201 = 131195971
BaseRepresentation
bin110000111101…
…1101000001001
31210022021122021
41201323220021
523033002301
62314124441
7431132032
oct141735011
953267567
1025672201
11135449a5
128720721
13541b169
1435a3a89
1523c18a1
hex187ba09

25672201 has 4 divisors (see below), whose sum is σ = 25868304. Its totient is φ = 25476100.

The previous prime is 25672183. The next prime is 25672217. The reversal of 25672201 is 10227652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25672201 - 217 = 25541129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25672271) 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, 97855 + ... + 98116.

It is an arithmetic number, because the mean of its divisors is an integer number (6467076).

Almost surely, 225672201 is an apocalyptic number.

It is an amenable number.

25672201 is a deficient number, since it is larger than the sum of its proper divisors (196103).

25672201 is a wasteful number, since it uses less digits than its factorization.

25672201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196102.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 25672201 is about 5066.7742203497. The cubic root of 25672201 is about 294.9993335233. Note that the first 3 decimals are identical.

Adding to 25672201 its reverse (10227652), we get a palindrome (35899853).

The spelling of 25672201 in words is "twenty-five million, six hundred seventy-two thousand, two hundred one".

Divisors: 1 131 195971 25672201