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662671 is a prime number
BaseRepresentation
bin10100001110010001111
31020200000101
42201302033
5132201141
622111531
75426662
oct2416217
91220011
10662671
11412969
1227b5a7
131a2819
141336d9
15d1531
hexa1c8f

662671 has 2 divisors, whose sum is σ = 662672. Its totient is φ = 662670.

The previous prime is 662657. The next prime is 662681. The reversal of 662671 is 176266.

662671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662671 - 25 = 662639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331335 + 331336.

It is an arithmetic number, because the mean of its divisors is an integer number (331336).

2662671 is an apocalyptic number.

662671 is a deficient number, since it is larger than the sum of its proper divisors (1).

662671 is an equidigital number, since it uses as much as digits as its factorization.

662671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 662671 is about 814.0460674925. The cubic root of 662671 is about 87.1831698153.

The spelling of 662671 in words is "six hundred sixty-two thousand, six hundred seventy-one".