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88661 is a prime number
BaseRepresentation
bin10101101001010101
311111121202
4111221111
510314121
61522245
7516326
oct255125
9144552
1088661
1160681
1243385
1331481
142444d
151b40b
hex15a55

88661 has 2 divisors, whose sum is σ = 88662. Its totient is φ = 88660.

The previous prime is 88657. The next prime is 88663. The reversal of 88661 is 16688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 42436 = 215^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 88661 - 22 = 88657 is a prime.

It is a Sophie Germain prime.

Together with 88663, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p8588 and since 88661 and 8588 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44330 + 44331.

It is an arithmetic number, because the mean of its divisors is an integer number (44331).

288661 is an apocalyptic number.

It is an amenable number.

88661 is a deficient number, since it is larger than the sum of its proper divisors (1).

88661 is an equidigital number, since it uses as much as digits as its factorization.

88661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 88661 is about 297.7599704460. The cubic root of 88661 is about 44.5906916165.

The spelling of 88661 in words is "eighty-eight thousand, six hundred sixty-one".