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8025001 = 31258871
BaseRepresentation
bin11110100111001110101001
3120002201020021
4132213032221
54023300001
6444000441
7125132335
oct36471651
916081207
108025001
114591336
122830121
13187c92a
1410cc7c5
15a87ba1
hex7a73a9

8025001 has 4 divisors (see below), whose sum is σ = 8283904. Its totient is φ = 7766100.

The previous prime is 8024987. The next prime is 8025013. The reversal of 8025001 is 1005208.

It is a happy number.

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 8025001 - 27 = 8024873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8025301) 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, 129405 + ... + 129466.

It is an arithmetic number, because the mean of its divisors is an integer number (2070976).

Almost surely, 28025001 is an apocalyptic number.

It is an amenable number.

8025001 is a deficient number, since it is larger than the sum of its proper divisors (258903).

8025001 is a wasteful number, since it uses less digits than its factorization.

8025001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258902.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 8025001 is about 2832.8432713442. The cubic root of 8025001 is about 200.2081250114.

The spelling of 8025001 in words is "eight million, twenty-five thousand, one".

Divisors: 1 31 258871 8025001