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35212421 is a prime number
BaseRepresentation
bin1000011001010…
…0110010000101
32110020222100202
42012110302011
533003244141
63254420245
7605205056
oct206246205
973228322
1035212421
1118970682
12b961685
1373ab66a
14496872d
15315849b
hex2194c85

35212421 has 2 divisors, whose sum is σ = 35212422. Its totient is φ = 35212420.

The previous prime is 35212417. The next prime is 35212477. The reversal of 35212421 is 12421253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34869025 + 343396 = 5905^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 35212421 - 22 = 35212417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 35212393 and 35212402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35242421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17606210 + 17606211.

It is an arithmetic number, because the mean of its divisors is an integer number (17606211).

Almost surely, 235212421 is an apocalyptic number.

It is an amenable number.

35212421 is a deficient number, since it is larger than the sum of its proper divisors (1).

35212421 is an equidigital number, since it uses as much as digits as its factorization.

35212421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 35212421 is about 5934.0054769102. The cubic root of 35212421 is about 327.7670521520.

Adding to 35212421 its reverse (12421253), we get a palindrome (47633674).

The spelling of 35212421 in words is "thirty-five million, two hundred twelve thousand, four hundred twenty-one".