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2664929 is a prime number
BaseRepresentation
bin1010001010100111100001
312000101121002
422022213201
51140234204
6133041345
731436321
oct12124741
95011532
102664929
111560223
12a86255
13723ca7
144d5281
1537991e
hex28a9e1

2664929 has 2 divisors, whose sum is σ = 2664930. Its totient is φ = 2664928.

The previous prime is 2664923. The next prime is 2664931. The reversal of 2664929 is 9294662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 640000 = 1423^2 + 800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2664929 is a prime.

Together with 2664931, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2664892 and 2664901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332464 + 1332465.

It is an arithmetic number, because the mean of its divisors is an integer number (1332465).

22664929 is an apocalyptic number.

It is an amenable number.

2664929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664929 is an equidigital number, since it uses as much as digits as its factorization.

2664929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 2664929 is about 1632.4610255685. The cubic root of 2664929 is about 138.6421275559.

The spelling of 2664929 in words is "two million, six hundred sixty-four thousand, nine hundred twenty-nine".