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2135401 is a prime number
BaseRepresentation
bin1000001001010101101001
311000111012221
420021111221
51021313101
6113434041
724102442
oct10112551
94014187
102135401
1112293a4
1286b921
13599c68
143d82c9
152c2aa1
hex209569

2135401 has 2 divisors, whose sum is σ = 2135402. Its totient is φ = 2135400.

The previous prime is 2135383. The next prime is 2135407. The reversal of 2135401 is 1045312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 76176 = 1435^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135401 - 25 = 2135369 is a prime.

2135401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2135407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067700 + 1067701.

It is an arithmetic number, because the mean of its divisors is an integer number (1067701).

22135401 is an apocalyptic number.

It is an amenable number.

2135401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135401 is an equidigital number, since it uses as much as digits as its factorization.

2135401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2135401 is about 1461.3011325528. The cubic root of 2135401 is about 128.7734943143.

The spelling of 2135401 in words is "two million, one hundred thirty-five thousand, four hundred one".