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315967 is a prime number
BaseRepresentation
bin1001101001000111111
3121001102111
41031020333
540102332
610434451
72454121
oct1151077
9531374
10315967
111a6433
12132a27
13b0a82
1483211
1563947
hex4d23f

315967 has 2 divisors, whose sum is σ = 315968. Its totient is φ = 315966.

The previous prime is 315961. The next prime is 315977. The reversal of 315967 is 769513.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-315967 is a prime.

It is a Chen prime.

315967 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157983 + 157984.

It is an arithmetic number, because the mean of its divisors is an integer number (157984).

2315967 is an apocalyptic number.

315967 is a deficient number, since it is larger than the sum of its proper divisors (1).

315967 is an equidigital number, since it uses as much as digits as its factorization.

315967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 315967 is about 562.1094199531. The cubic root of 315967 is about 68.1104749776.

The spelling of 315967 in words is "three hundred fifteen thousand, nine hundred sixty-seven".