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407161361 is a prime number
BaseRepresentation
bin11000010001001…
…100101000010001
31001101010221101102
4120101030220101
51313213130421
6104222514145
713042546235
oct3021145021
91041127342
10407161361
111999173a2
12b4435955
136647b0a9
143c10a5c5
1525b2a60b
hex1844ca11

407161361 has 2 divisors, whose sum is σ = 407161362. Its totient is φ = 407161360.

The previous prime is 407161331. The next prime is 407161399. The reversal of 407161361 is 163161704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405780736 + 1380625 = 20144^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 407161361 - 210 = 407160337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (407161331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203580680 + 203580681.

It is an arithmetic number, because the mean of its divisors is an integer number (203580681).

Almost surely, 2407161361 is an apocalyptic number.

It is an amenable number.

407161361 is a deficient number, since it is larger than the sum of its proper divisors (1).

407161361 is an equidigital number, since it uses as much as digits as its factorization.

407161361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 407161361 is about 20178.2397894365. The cubic root of 407161361 is about 741.1774298093.

The spelling of 407161361 in words is "four hundred seven million, one hundred sixty-one thousand, three hundred sixty-one".