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25870601 = 202712763
BaseRepresentation
bin110001010110…
…0000100001001
31210200100210102
41202230010021
523110324401
62322255145
7432616331
oct142540411
953610712
1025870601
111366aa69
1287b74b5
13548a563
1436160c1
15241056b
hex18ac109

25870601 has 4 divisors (see below), whose sum is σ = 25885392. Its totient is φ = 25855812.

The previous prime is 25870591. The next prime is 25870619. The reversal of 25870601 is 10607852.

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 25870601 - 222 = 21676297 is a prime.

It is a super-2 number, since 2×258706012 = 1338575992202402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25870681) 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, 4355 + ... + 8408.

It is an arithmetic number, because the mean of its divisors is an integer number (6471348).

Almost surely, 225870601 is an apocalyptic number.

It is an amenable number.

25870601 is a deficient number, since it is larger than the sum of its proper divisors (14791).

25870601 is a wasteful number, since it uses less digits than its factorization.

25870601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 25870601 is about 5086.3150708543. The cubic root of 25870601 is about 295.7573225510.

The spelling of 25870601 in words is "twenty-five million, eight hundred seventy thousand, six hundred one".

Divisors: 1 2027 12763 25870601